diff --git a/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue b/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
index 20f749ebd..4a34f7de9 100644
--- a/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
+++ b/apps/desktop/src/components/sidebar/SidebarTreeRuntimeHost.vue
@@ -448,7 +448,9 @@ const {
 
 const {
   canDropMongoDatabase,
+  canDropMilvusDatabase,
   canDropMongoCollection,
+  canDropMilvusCollection,
   canRenameMongoCollection,
   canCloneMongoCollection,
   prepareRenameMongoCollectionDialog,
@@ -497,6 +499,7 @@ const {
   openEditNacosNamespaceDialog,
   confirmEditNacosNamespace,
   dropMongoCollection,
+  dropMilvusCollection,
   dropMongoIndex,
   dropAllMongoIndexes,
   flushRedisDb,
@@ -509,6 +512,8 @@ const {
   confirmFlushRedisDb,
   confirmDropMongoDatabase,
   confirmDropMongoCollection,
+  confirmDropMilvusDatabase,
+  confirmDropMilvusCollection,
   confirmDropMongoIndex,
   confirmDropAllMongoIndexes,
 } = useSidebarDatabaseSpecificMutationRuntime({ activeNode, connectionStore });
@@ -1285,10 +1290,18 @@ function requestDeleteSelectedNode(): boolean {
     dropDatabase();
     return true;
   }
+  if (canDropMilvusDatabase.value) {
+    dropDatabase();
+    return true;
+  }
   if (canDropMongoCollection.value) {
     dropMongoCollection();
     return true;
   }
+  if (canDropMilvusCollection.value) {
+    dropMilvusCollection();
+    return true;
+  }
   if (canDropSchema.value) {
     dropSchema();
     return true;
@@ -2945,6 +2958,10 @@ async function refreshDropDatabasePreviewSql() {
     dropDatabasePreviewSql.value = `db.getSiblingDB(${JSON.stringify(node.label)}).dropDatabase();`;
     return;
   }
+  if (node.type === "vector-database") {
+    dropDatabasePreviewSql.value = `POST /v2/vectordb/databases/drop\n{"dbName":${JSON.stringify(node.database || node.label)}}`;
+    return;
+  }
   dropDatabasePreviewSql.value = "";
   dropDatabasePreviewSql.value = await buildDropDatabaseSql({
     databaseType: currentDatabaseType(),
@@ -3513,6 +3530,10 @@ async function confirmDropDatabase() {
     await confirmDropMongoDatabase();
     return;
   }
+  if (node.type === "vector-database") {
+    await confirmDropMilvusDatabase();
+    return;
+  }
 
   const connectionId = node.connectionId;
   if (!connectionId || dropDatabaseLoading.value) return;
@@ -4250,7 +4271,7 @@ routeDangerDialog(showDropMongoCollectionConfirm, () =>
       return dropMongoCollectionLoading.value;
     },
     closeOnConfirm: false,
-    confirm: confirmDropMongoCollection,
+    confirm: () => (activeNode.value.type === "vector-collection" ? confirmDropMilvusCollection() : confirmDropMongoCollection()),
   }),
 );
 
@@ -5040,7 +5061,7 @@ function buildSpecialSidebarMenu(context: SidebarMenuFactoryContext): boolean {
     return true;
   }
 
-  if (node.type === "redis-db" || node.type === "mongo-db") {
+  if (node.type === "redis-db" || node.type === "mongo-db" || node.type === "vector-database") {
     items.push({ label: t("contextMenu.newQuery"), action: newQuery, icon: TerminalSquare });
     if (!isNodeDefaultDatabase.value) {
       items.push({ label: t("contextMenu.setDefaultDatabase"), action: setNodeAsDefaultDatabase, icon: Database });
@@ -5056,7 +5077,7 @@ function buildSpecialSidebarMenu(context: SidebarMenuFactoryContext): boolean {
       items.push({ label: t("redis.setDatabaseAlias"), action: openRedisDatabaseAliasDialog, icon: Pencil });
       items.push({ label: t("redis.flushDb"), action: flushRedisDb, icon: Eraser, variant: "destructive" as const });
     }
-    if (canDropMongoDatabase.value) {
+    if (canDropMongoDatabase.value || canDropMilvusDatabase.value) {
       items.push({ label: "", separator: true });
       items.push({
         label: t("contextMenu.dropDatabase"),
@@ -5125,6 +5146,10 @@ function buildSpecialSidebarMenu(context: SidebarMenuFactoryContext): boolean {
     items.push({ label: "", separator: true });
     items.push({ label: t("contextMenu.viewData"), action: toggle, icon: TableProperties });
     items.push({ label: t("contextMenu.newQuery"), action: newQuery, icon: TerminalSquare });
+    if (canDropMilvusCollection.value) {
+      items.push({ label: "", separator: true });
+      items.push({ label: t("contextMenu.dropCollection"), action: dropMilvusCollection, icon: Trash2, shortcut: shortcutDelete, variant: "destructive" as const });
+    }
     return true;
   }
 
diff --git a/apps/desktop/src/composables/__tests__/useSidebarConnectionMutationRuntime.selection.spec.ts b/apps/desktop/src/composables/__tests__/useSidebarConnectionMutationRuntime.selection.spec.ts
index ee1fc75e0..29204c129 100644
--- a/apps/desktop/src/composables/__tests__/useSidebarConnectionMutationRuntime.selection.spec.ts
+++ b/apps/desktop/src/composables/__tests__/useSidebarConnectionMutationRuntime.selection.spec.ts
@@ -40,6 +40,18 @@ function connectionGroupNode(groupId: string): TreeNode {
   };
 }
 
+function vectorDatabaseNode(database: string): TreeNode {
+  return {
+    id: `conn-1:${database}`,
+    label: database,
+    type: "vector-database",
+    connectionId: "conn-1",
+    database,
+    isExpanded: false,
+    children: [],
+  };
+}
+
 function connectionStore(selectedTreeNodeIds: string[]) {
   const lastSelectedTreeNodeId = selectedTreeNodeIds[selectedTreeNodeIds.length - 1] ?? null;
   return {
@@ -57,6 +69,7 @@ function connectionStore(selectedTreeNodeIds: string[]) {
     disconnect: vi.fn().mockResolvedValue(undefined),
     isTreeNodeChildrenLoaded: vi.fn(() => false),
     getConfig: vi.fn(() => undefined),
+    isDefaultDatabase: vi.fn(() => false),
   };
 }
 
@@ -73,6 +86,22 @@ function runtime(activeNode: TreeNode, store: ReturnType<typeof connectionStore>
   });
 }
 
+describe("sidebar default database state", () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    sidebarFormTarget.value = null;
+  });
+
+  it("recognizes the configured Milvus vector database as default", () => {
+    const store = connectionStore([]);
+    store.isDefaultDatabase.mockReturnValue(true);
+    const { isNodeDefaultDatabase } = runtime(vectorDatabaseNode("analytics"), store);
+
+    expect(isNodeDefaultDatabase.value).toBe(true);
+    expect(store.isDefaultDatabase).toHaveBeenCalledWith("conn-1", "analytics");
+  });
+});
+
 describe("sidebar connection move selection", () => {
   beforeEach(() => {
     vi.clearAllMocks();
diff --git a/apps/desktop/src/composables/__tests__/useSidebarDatabaseSpecificMutationRuntime.mongo.spec.ts b/apps/desktop/src/composables/__tests__/useSidebarDatabaseSpecificMutationRuntime.mongo.spec.ts
index 2b0e99208..839ed3c5e 100644
--- a/apps/desktop/src/composables/__tests__/useSidebarDatabaseSpecificMutationRuntime.mongo.spec.ts
+++ b/apps/desktop/src/composables/__tests__/useSidebarDatabaseSpecificMutationRuntime.mongo.spec.ts
@@ -89,6 +89,31 @@ function mongoConfig(driverProfile?: string, production = false) {
   };
 }
 
+function milvusConfig(database?: string) {
+  return {
+    id: "conn-1",
+    name: "Milvus",
+    db_type: "milvus" as const,
+    host: "localhost",
+    port: 19530,
+    username: "",
+    password: "",
+    database,
+  };
+}
+
+function milvusDatabaseNode(database: string): TreeNode {
+  return {
+    id: `conn-1:${database}`,
+    label: database,
+    type: "vector-database",
+    connectionId: "conn-1",
+    database,
+    isExpanded: false,
+    children: [],
+  };
+}
+
 function mongoDatabaseNode(): TreeNode {
   return {
     id: "conn-1:app",
@@ -209,6 +234,29 @@ describe("MongoDB sidebar mutation runtime", () => {
     cloneMongoCollectionLoading.value = false;
   });
 
+  it("protects the built-in and configured Milvus databases from deletion", () => {
+    mocks.getConfig.mockReturnValue(milvusConfig("analytics"));
+    const activeNode = shallowRef(milvusDatabaseNode("default"));
+    const feature = useSidebarDatabaseSpecificMutationRuntime({
+      activeNode,
+      connectionStore: {
+        getConfig: mocks.getConfig,
+      } as any,
+    });
+
+    expect(feature.canDropMilvusDatabase.value).toBe(false);
+
+    activeNode.value = milvusDatabaseNode("analytics");
+    expect(feature.canDropMilvusDatabase.value).toBe(false);
+
+    activeNode.value = milvusDatabaseNode("archive");
+    expect(feature.canDropMilvusDatabase.value).toBe(true);
+
+    mocks.getConfig.mockReturnValue(mongoConfig());
+    activeNode.value = milvusDatabaseNode("archive-2");
+    expect(feature.canDropMilvusDatabase.value).toBe(false);
+  });
+
   it("keeps Legacy MongoDB mutations available while limiting index actions to the Indexes group", () => {
     mocks.getConfig.mockReturnValue(mongoConfig("mongodb-legacy"));
     const activeNode = shallowRef(mongoDatabaseNode());
diff --git a/apps/desktop/src/composables/useSidebarConnectionMutationRuntime.ts b/apps/desktop/src/composables/useSidebarConnectionMutationRuntime.ts
index 054813ab9..e3e263ffa 100644
--- a/apps/desktop/src/composables/useSidebarConnectionMutationRuntime.ts
+++ b/apps/desktop/src/composables/useSidebarConnectionMutationRuntime.ts
@@ -290,7 +290,11 @@ export function useSidebarConnectionMutationRuntime(options: SidebarConnectionMu
 
   const isPinned = computed(() => activeNode.value.pinned || connectionStore.isTreeNodePinned(activeNode.value));
   const isNodeDefaultDatabase = computed(
-    () => (activeNode.value.type === "database" || activeNode.value.type === "redis-db" || activeNode.value.type === "mongo-db") && !!activeNode.value.connectionId && !!activeNode.value.database && connectionStore.isDefaultDatabase(activeNode.value.connectionId, activeNode.value.database),
+    () =>
+      (activeNode.value.type === "database" || activeNode.value.type === "redis-db" || activeNode.value.type === "mongo-db" || activeNode.value.type === "vector-database") &&
+      !!activeNode.value.connectionId &&
+      !!activeNode.value.database &&
+      connectionStore.isDefaultDatabase(activeNode.value.connectionId, activeNode.value.database),
   );
   const isNodeDefaultSchema = computed(() => activeNode.value.type === "schema" && !!activeNode.value.connectionId && !!activeNode.value.schema && connectionStore.isDefaultSchema(activeNode.value.connectionId, activeNode.value.schema));
   const isConnected = computed(() => activeNode.value.type === "connection" && !!activeNode.value.connectionId && connectionStore.connectedIds.has(activeNode.value.connectionId));
diff --git a/apps/desktop/src/composables/useSidebarDatabaseSpecificMutationRuntime.ts b/apps/desktop/src/composables/useSidebarDatabaseSpecificMutationRuntime.ts
index d207d288e..e01735550 100644
--- a/apps/desktop/src/composables/useSidebarDatabaseSpecificMutationRuntime.ts
+++ b/apps/desktop/src/composables/useSidebarDatabaseSpecificMutationRuntime.ts
@@ -117,6 +117,15 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
   }
 
   const canDropMongoDatabase = computed(() => activeNode.value.type === "mongo-db" && !!activeNode.value.database && usesAnyMongoDriver(activeNode.value));
+  function canDropMilvusDatabaseNode(node: TreeNode): boolean {
+    const connectionId = node.connectionId;
+    const database = node.database;
+    if (node.type !== "vector-database" || !connectionId || !database || database === "default") return false;
+    const config = connectionStore.getConfig(connectionId);
+    return config?.db_type === "milvus" && config.database !== database;
+  }
+
+  const canDropMilvusDatabase = computed(() => canDropMilvusDatabaseNode(activeNode.value));
 
   function canMutateMongoCollectionNode(node: TreeNode): boolean {
     if (node.type !== "mongo-collection" || !node.connectionId || !node.database) return false;
@@ -132,6 +141,7 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
   }
 
   const canDropMongoCollection = computed(() => canMutateMongoCollectionNode(activeNode.value));
+  const canDropMilvusCollection = computed(() => activeNode.value.type === "vector-collection" && !!activeNode.value.connectionId && !!activeNode.value.database && connectionStore.getConfig(activeNode.value.connectionId)?.db_type === "milvus");
   const canRenameMongoCollection = computed(() => canRenameMongoCollectionNode(activeNode.value));
   const canCloneMongoCollection = computed(() => canCloneMongoCollectionNode(activeNode.value));
 
@@ -732,6 +742,10 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
     showDropMongoCollectionConfirm.value = true;
   }
 
+  function dropMilvusCollection() {
+    dropMongoCollection();
+  }
+
   function dropMongoIndex() {
     dropMongoIndexLoading.value = false;
     showDropMongoIndexConfirm.value = true;
@@ -836,8 +850,6 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
         toast(t("contextMenu.dropCollectionSuccess", { name: collectionName }), 3000);
         showDropMongoCollectionConfirm.value = false;
         await refreshMongoTreeAfterDrop(node, async () => {
-          // The final collection can remove its database; if the database
-          // remains, refresh its preserved expanded children as well.
           await connectionStore.loadMongoDatabases(connectionId);
           await connectionStore.loadMongoCollections(connectionId, database);
         });
@@ -846,6 +858,54 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
     });
   }
 
+  async function confirmDropMilvusDatabase() {
+    const node = sidebarDangerTarget.value ?? activeNode.value;
+    const connectionId = node.connectionId;
+    const database = node.database;
+    if (!connectionId || !database || !canDropMilvusDatabaseNode(node)) return;
+    await runMongoSidebarMutation({
+      connection: connectionStore.getConfig(connectionId),
+      database,
+      reviewText: `POST /v2/vectordb/databases/drop\n{"dbName":${JSON.stringify(database)}}`,
+      source: t("production.sourceSidebar"),
+      loading: dropDatabaseLoading,
+      beforeExecute: () => connectionStore.ensureConnected(connectionId),
+      execute: () => api.vectorDropDatabase(connectionId, database),
+      onSuccess: async () => {
+        toast(t("contextMenu.dropDatabaseSuccess", { name: node.label }), 3000);
+        showDropDatabaseConfirm.value = false;
+        await refreshMongoTreeAfterDrop(node, () => connectionStore.loadMilvusDatabases(connectionId));
+      },
+      onError: toastMutationError,
+    });
+  }
+
+  async function confirmDropMilvusCollection() {
+    const node = sidebarDangerTarget.value ?? activeNode.value;
+    const connectionId = node.connectionId;
+    const database = node.database;
+    if (node.type !== "vector-collection" || !connectionId || !database || connectionStore.getConfig(connectionId)?.db_type !== "milvus") return;
+    const collectionName = node.label;
+    await runMongoSidebarMutation({
+      connection: connectionStore.getConfig(connectionId),
+      database,
+      reviewText: `POST /v2/vectordb/collections/drop\n{"dbName":${JSON.stringify(database)},"collectionName":${JSON.stringify(collectionName)}}`,
+      source: t("production.sourceSidebar"),
+      loading: dropMongoCollectionLoading,
+      beforeExecute: () => connectionStore.ensureConnected(connectionId),
+      execute: () => api.vectorDropCollection(connectionId, database, collectionName),
+      onSuccess: async () => {
+        toast(t("contextMenu.dropCollectionSuccess", { name: collectionName }), 3000);
+        showDropMongoCollectionConfirm.value = false;
+        await refreshMongoTreeAfterDrop(node, async () => {
+          await connectionStore.loadMilvusDatabases(connectionId);
+          await connectionStore.loadVectorCollections(connectionId, database);
+        });
+      },
+      onError: toastMutationError,
+    });
+  }
+
   async function refreshMongoTreeAfterDrop(node: TreeNode, refresh: () => Promise<void>) {
     try {
       await refresh();
@@ -937,7 +997,9 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
 
   return {
     canDropMongoDatabase,
+    canDropMilvusDatabase,
     canDropMongoCollection,
+    canDropMilvusCollection,
     canRenameMongoCollection,
     canCloneMongoCollection,
     prepareRenameMongoCollectionDialog,
@@ -998,6 +1060,9 @@ export function useSidebarDatabaseSpecificMutationRuntime(options: SidebarDataba
     confirmFlushRedisDb,
     confirmDropMongoDatabase,
     confirmDropMongoCollection,
+    confirmDropMilvusDatabase,
+    confirmDropMilvusCollection,
+    dropMilvusCollection,
     confirmDropMongoIndex,
     confirmDropAllMongoIndexes,
   };
diff --git a/apps/desktop/src/lib/backend/api.ts b/apps/desktop/src/lib/backend/api.ts
index d4e755cbe..d025c5a67 100644
--- a/apps/desktop/src/lib/backend/api.ts
+++ b/apps/desktop/src/lib/backend/api.ts
@@ -700,6 +700,8 @@ export const documentDownloadGridFsFile = forward("documentDownloadGridFsFile");
 export const documentUploadGridFsFile = forward("documentUploadGridFsFile");
 export const documentDeleteGridFsFile = forward("documentDeleteGridFsFile");
 export const vectorGetCollectionDetail = forward("vectorGetCollectionDetail");
+export const vectorDropDatabase = forward("vectorDropDatabase");
+export const vectorDropCollection = forward("vectorDropCollection");
 export const mongoCreateDatabase = forward("mongoCreateDatabase");
 export const mongoDropDatabase = forward("mongoDropDatabase");
 export const mongoDropCollection = forward("mongoDropCollection");
diff --git a/apps/desktop/src/lib/backend/http.ts b/apps/desktop/src/lib/backend/http.ts
index 6ddee2eb6..eddee802c 100644
--- a/apps/desktop/src/lib/backend/http.ts
+++ b/apps/desktop/src/lib/backend/http.ts
@@ -3589,6 +3589,14 @@ export async function vectorGetCollectionDetail(connectionId: string, database:
   });
 }
 
+export async function vectorDropDatabase(connectionId: string, database: string): Promise<void> {
+  await post("/api/vector/drop-database", { connectionId, database });
+}
+
+export async function vectorDropCollection(connectionId: string, database: string, collection: string): Promise<void> {
+  await post("/api/vector/drop-collection", { connectionId, database, collection });
+}
+
 export async function mongoFindDocuments(connectionId: string, database: string, collection: string, skip: number, limit: number, filter?: string, projection?: string, sort?: string, collation?: string, executionId?: string): Promise<MongoDocumentResult> {
   return documentFindDocuments(connectionId, database, collection, skip, limit, filter, projection, sort, collation, executionId);
 }
diff --git a/apps/desktop/src/lib/backend/tauri.ts b/apps/desktop/src/lib/backend/tauri.ts
index 7e8248d96..9e41ea591 100644
--- a/apps/desktop/src/lib/backend/tauri.ts
+++ b/apps/desktop/src/lib/backend/tauri.ts
@@ -3504,6 +3504,14 @@ export async function mongoCloneCollection(connectionId: string, database: strin
   });
 }
 
+export async function vectorDropDatabase(connectionId: string, database: string): Promise<void> {
+  return invoke("vector_drop_database", { connectionId, database });
+}
+
+export async function vectorDropCollection(connectionId: string, database: string, collection: string): Promise<void> {
+  return invoke("vector_drop_collection", { connectionId, database, collection });
+}
+
 export async function elasticsearchListIndices(connectionId: string): Promise<string[]> {
   const collections = await documentListCollections(connectionId, "default");
   return collections.map((c) => c.name);
diff --git a/crates/dbx-core/src/db/vector_driver.rs b/crates/dbx-core/src/db/vector_driver.rs
index 91be854c2..ce82bd890 100644
--- a/crates/dbx-core/src/db/vector_driver.rs
+++ b/crates/dbx-core/src/db/vector_driver.rs
@@ -239,6 +239,31 @@ pub async fn list_databases(client: &VectorClient) -> Result<Vec<String>, String
     }
 }
 
+/// Drop a Milvus database through the v2 REST API.
+pub async fn drop_database(client: &VectorClient, database: &str) -> Result<(), String> {
+    if client.kind != VectorDbKind::Milvus {
+        return Err("Database deletion is only supported for Milvus connections".to_string());
+    }
+    send_json(client.post("/v2/vectordb/databases/drop").json(&serde_json::json!({ "dbName": database })), client.kind)
+        .await
+        .map(|_| ())
+}
+
+/// Drop a Milvus collection through the v2 REST API.
+pub async fn drop_collection(client: &VectorClient, database: &str, collection: &str) -> Result<(), String> {
+    if client.kind != VectorDbKind::Milvus {
+        return Err("Collection deletion is only supported for Milvus connections".to_string());
+    }
+    send_json(
+        client
+            .post("/v2/vectordb/collections/drop")
+            .json(&serde_json::json!({ "dbName": database, "collectionName": collection })),
+        client.kind,
+    )
+    .await
+    .map(|_| ())
+}
+
 async fn list_milvus_databases(client: &VectorClient) -> Result<Vec<String>, String> {
     // Older Milvus versions (pre-2.2) do not expose the databases endpoint; fall back to the
     // configured database (or "default") so the connection stays browsable instead of failing the whole tree load.
@@ -254,11 +279,15 @@ async fn list_milvus_databases(client: &VectorClient) -> Result<Vec<String>, Str
 }
 
 fn milvus_database_names(body: &Value, configured_database: &str) -> Vec<String> {
+    let has_database_list = body.get("data").is_some_and(Value::is_array);
     let mut names: Vec<String> = match body.get("data") {
         Some(Value::Array(items)) => items.iter().filter_map(milvus_database_name_from_item).collect(),
         _ => Vec::new(),
     };
-    if !names.iter().any(|name| name == configured_database) {
+    // Only use the configured database as a compatibility fallback when the
+    // server does not return a database list. This lets a successfully dropped
+    // database disappear from the sidebar instead of being re-added locally.
+    if !has_database_list && !names.iter().any(|name| name == configured_database) {
         names.push(configured_database.to_string());
     }
     names.sort();
@@ -1061,11 +1090,8 @@ mod tests {
     }
 
     #[test]
-    fn milvus_database_list_keeps_the_configured_database() {
-        assert_eq!(
-            milvus_database_names(&json!({ "data": ["default"] }), "resume_test"),
-            vec!["default".to_string(), "resume_test".to_string()]
-        );
+    fn milvus_database_list_does_not_readd_deleted_configured_database() {
+        assert_eq!(milvus_database_names(&json!({ "data": ["default"] }), "resume_test"), vec!["default".to_string()]);
         assert_eq!(
             milvus_database_names(&json!({ "data": ["resume_test"] }), "resume_test"),
             vec!["resume_test".to_string()]
diff --git a/crates/dbx-core/src/schema.rs b/crates/dbx-core/src/schema.rs
index 396dc19ae..ab5d9544b 100644
--- a/crates/dbx-core/src/schema.rs
+++ b/crates/dbx-core/src/schema.rs
@@ -1089,6 +1089,35 @@ pub async fn get_vector_collection_detail_core(
     db::vector_driver::get_collection_detail(&client, database, collection).await
 }
 
+pub async fn drop_vector_database_core(state: &AppState, connection_id: &str, database: &str) -> Result<(), String> {
+    let pool_key = state.get_or_create_metadata_pool_for_session(connection_id, Some(database), None).await?;
+    let client = {
+        let connections = state.connections.read().await;
+        match connections.get(&pool_key) {
+            Some(PoolKind::VectorDb(client)) => client.clone(),
+            _ => return Err("Not a vector database connection".to_string()),
+        }
+    };
+    db::vector_driver::drop_database(&client, database).await
+}
+
+pub async fn drop_vector_collection_core(
+    state: &AppState,
+    connection_id: &str,
+    database: &str,
+    collection: &str,
+) -> Result<(), String> {
+    let pool_key = state.get_or_create_metadata_pool_for_session(connection_id, Some(database), None).await?;
+    let client = {
+        let connections = state.connections.read().await;
+        match connections.get(&pool_key) {
+            Some(PoolKind::VectorDb(client)) => client.clone(),
+            _ => return Err("Not a vector database connection".to_string()),
+        }
+    };
+    db::vector_driver::drop_collection(&client, database, collection).await
+}
+
 pub async fn get_table_comment_core(
     state: &AppState,
     connection_id: &str,
diff --git a/crates/dbx-web/src/main.rs b/crates/dbx-web/src/main.rs
index 813654680..b642e1b37 100644
--- a/crates/dbx-web/src/main.rs
+++ b/crates/dbx-web/src/main.rs
@@ -776,6 +776,8 @@ async fn main() {
         .route("/mongo/list-databases", post(routes::mongo::list_databases))
         .route("/mongo/list-collections", post(routes::mongo::list_collections))
         .route("/mongo/vector-collection-detail", post(routes::mongo::vector_collection_detail))
+        .route("/vector/drop-database", post(routes::mongo::vector_drop_database))
+        .route("/vector/drop-collection", post(routes::mongo::vector_drop_collection))
         .route("/mongo/create-database", post(routes::mongo::create_database))
         .route("/mongo/drop-database", post(routes::mongo::drop_database))
         .route("/mongo/drop-collection", post(routes::mongo::drop_collection))
diff --git a/crates/dbx-web/src/routes/mongo.rs b/crates/dbx-web/src/routes/mongo.rs
index ff18c72a9..8b63016d6 100644
--- a/crates/dbx-web/src/routes/mongo.rs
+++ b/crates/dbx-web/src/routes/mongo.rs
@@ -367,6 +367,34 @@ pub async fn vector_collection_detail(
     Ok(Json(result))
 }
 
+pub async fn vector_drop_database(
+    State(state): State<Arc<WebState>>,
+    headers: HeaderMap,
+    Json(req): Json<MongoCollectionRequest>,
+) -> Result<Json<serde_json::Value>, AppError> {
+    super::mcp_policy::ensure_dangerous_write(&state, &headers, &req.connection_id, &req.database, "Drop database")
+        .await?;
+    ensure_writable(&state.app, &req.connection_id, "Drop database").await?;
+    dbx_core::schema::drop_vector_database_core(&state.app, &req.connection_id, &req.database)
+        .await
+        .map_err(AppError::from)?;
+    Ok(Json(serde_json::json!({ "ok": true })))
+}
+
+pub async fn vector_drop_collection(
+    State(state): State<Arc<WebState>>,
+    headers: HeaderMap,
+    Json(req): Json<MongoCollectionNameRequest>,
+) -> Result<Json<serde_json::Value>, AppError> {
+    super::mcp_policy::ensure_dangerous_write(&state, &headers, &req.connection_id, &req.database, "Drop collection")
+        .await?;
+    ensure_writable(&state.app, &req.connection_id, "Drop collection").await?;
+    dbx_core::schema::drop_vector_collection_core(&state.app, &req.connection_id, &req.database, &req.collection)
+        .await
+        .map_err(AppError::from)?;
+    Ok(Json(serde_json::json!({ "ok": true })))
+}
+
 pub async fn create_database(
     State(state): State<Arc<WebState>>,
     Json(req): Json<MongoCollectionRequest>,
diff --git a/src-tauri/src/commands/mongo_cmd.rs b/src-tauri/src/commands/mongo_cmd.rs
index f88a7594a..a6828f96a 100644
--- a/src-tauri/src/commands/mongo_cmd.rs
+++ b/src-tauri/src/commands/mongo_cmd.rs
@@ -86,6 +86,27 @@ pub async fn mongo_drop_collection(
     dbx_core::mongo_ops::mongo_drop_collection_core(&state, &connection_id, &database, &collection).await
 }
 
+#[tauri::command]
+pub async fn vector_drop_database(
+    state: State<'_, Arc<AppState>>,
+    connection_id: String,
+    database: String,
+) -> Result<(), String> {
+    ensure_connection_writable(&state, &connection_id, "Drop database").await?;
+    dbx_core::schema::drop_vector_database_core(&state, &connection_id, &database).await
+}
+
+#[tauri::command]
+pub async fn vector_drop_collection(
+    state: State<'_, Arc<AppState>>,
+    connection_id: String,
+    database: String,
+    collection: String,
+) -> Result<(), String> {
+    ensure_connection_writable(&state, &connection_id, "Drop collection").await?;
+    dbx_core::schema::drop_vector_collection_core(&state, &connection_id, &database, &collection).await
+}
+
 #[tauri::command]
 pub async fn mongo_rename_collection(
     state: State<'_, Arc<AppState>>,
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 859ce80a8..facafbba2 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -2006,6 +2006,8 @@ pub fn run() {
             commands::mongo_cmd::mongo_create_database,
             commands::mongo_cmd::mongo_drop_database,
             commands::mongo_cmd::mongo_drop_collection,
+            commands::mongo_cmd::vector_drop_database,
+            commands::mongo_cmd::vector_drop_collection,
             commands::mongo_cmd::mongo_rename_collection,
             commands::mongo_cmd::mongo_clone_collection,
             commands::docs::docs_collect_snapshot,