diff --git a/packages/sheets-ui/src/views/defined-name/DefinedName.tsx b/packages/sheets-ui/src/views/defined-name/DefinedName.tsx
index 67f76cdd6e..04f7d56c1b 100644
--- a/packages/sheets-ui/src/views/defined-name/DefinedName.tsx
+++ b/packages/sheets-ui/src/views/defined-name/DefinedName.tsx
@@ -295,7 +295,6 @@ export function DefinedName({ disable }: { disable: boolean }) {
                   univer-box-border univer-size-full univer-appearance-none univer-bg-transparent univer-pl-1.5
                   univer-pr-5 univer-text-gray-900
                   focus:univer-outline-none
-                  rtl:univer-pl-5 rtl:univer-pr-1.5
                   dark:!univer-border-r-gray-700 dark:!univer-text-gray-0
                 `, borderRightClassName, {
                     'univer-cursor-not-allowed': disable,
@@ -323,7 +322,6 @@ export function DefinedName({ disable }: { disable: boolean }) {
                       univer-absolute univer-right-0 univer-top-0 univer-flex univer-h-full univer-cursor-pointer
                       univer-items-center univer-justify-center univer-px-1 univer-transition-colors univer-duration-200
                       hover:univer-bg-gray-100
-                      rtl:univer-left-0 rtl:univer-right-auto
                       dark:!univer-text-gray-0
                       dark:hover:!univer-bg-gray-800
                     `, {
diff --git a/packages/sheets-ui/src/views/formula-bar/__tests__/FormulaBar.spec.tsx b/packages/sheets-ui/src/views/formula-bar/__tests__/FormulaBar.spec.tsx
index f8c916247a..7aad86785f 100644
--- a/packages/sheets-ui/src/views/formula-bar/__tests__/FormulaBar.spec.tsx
+++ b/packages/sheets-ui/src/views/formula-bar/__tests__/FormulaBar.spec.tsx
@@ -328,11 +328,26 @@ describe('FormulaBar', () => {
 
     it('keeps its toolbar layout LTR when the sheet host is RTL', () => {
         currentBed = createFormulaBarTestBed();
-        const rendered = renderWithDependencies(<FormulaBar disableDefinedName />, currentBed.injector);
+        const rendered = renderWithDependencies(
+            <div dir="rtl">
+                <FormulaBar disableDefinedName />
+            </div>,
+            currentBed.injector
+        );
         root = rendered.root;
         container = rendered.container;
 
-        expect(rendered.container.querySelector('[data-u-comp="formula-bar"]')?.getAttribute('dir')).toBe('ltr');
+        const formulaBar = rendered.container.querySelector('[data-u-comp="formula-bar"]');
+        const definedName = formulaBar?.querySelector('[data-u-comp="defined-name"]');
+        const input = definedName?.querySelector('input');
+        const dropdownTrigger = definedName?.querySelector('a');
+
+        expect(formulaBar?.getAttribute('dir')).toBe('ltr');
+        expect(input?.classList).toContain('univer-pl-1.5');
+        expect(input?.classList).toContain('univer-pr-5');
+        expect(input?.className).not.toContain('rtl:');
+        expect(dropdownTrigger?.classList).toContain('univer-right-0');
+        expect(dropdownTrigger?.className).not.toContain('rtl:');
     });
 
     it('closes editing through the command service when cancel is clicked', async () => {
diff --git a/packages/ui/src/views/components/ribbon/TooltipButtonWrapper.tsx b/packages/ui/src/views/components/ribbon/TooltipButtonWrapper.tsx
index 36c5339b24..4da502cb41 100644
--- a/packages/ui/src/views/components/ribbon/TooltipButtonWrapper.tsx
+++ b/packages/ui/src/views/components/ribbon/TooltipButtonWrapper.tsx
@@ -19,6 +19,7 @@ import type { ReactNode } from 'react';
 import type { IMenuItem, IValueOption } from '../../../services/menu/menu';
 import {
     clsx,
+    ConfigContext,
     Dropdown,
     DropdownMenu,
     Tooltip,
@@ -149,7 +150,8 @@ export const TooltipWrapper = forwardRef<ITooltipWrapperRef, ITooltipProps & { d
 });
 
 export function DropdownWrapper(props: Omit<Partial<IDropdownProps>, 'overlay'> & { overlay: ReactNode; align?: 'start' | 'end' | 'center' }) {
-    const { children, overlay, disabled, align = 'start' } = props;
+    const { children, overlay, disabled, align } = props;
+    const { direction } = useContext(ConfigContext);
     const { dropdownVisible, setDropdownVisible } = useContext(TooltipWrapperContext);
     const triggerRef = useRef<HTMLDivElement>(null);
     const overlayRef = useRef<HTMLDivElement>(null);
@@ -181,7 +183,7 @@ export function DropdownWrapper(props: Omit<Partial<IDropdownProps>, 'overlay'>
 
     return (
         <Dropdown
-            align={align}
+            align={align ?? (direction === 'rtl' ? 'end' : 'start')}
             overlay={(
                 <div ref={overlayRef} className="univer-grid univer-gap-2">
                     {overlay}
diff --git a/packages/ui/src/views/components/ribbon/__tests__/TooltipButtonWrapper.spec.tsx b/packages/ui/src/views/components/ribbon/__tests__/TooltipButtonWrapper.spec.tsx
index 2971624a29..126e19791d 100644
--- a/packages/ui/src/views/components/ribbon/__tests__/TooltipButtonWrapper.spec.tsx
+++ b/packages/ui/src/views/components/ribbon/__tests__/TooltipButtonWrapper.spec.tsx
@@ -21,6 +21,7 @@
 import type { ComponentType, ReactElement } from 'react';
 import { cleanup, fireEvent, render } from '@testing-library/react';
 import { ILogService, Injector, LocaleService } from '@univerjs/core';
+import { ConfigProvider } from '@univerjs/design';
 import { of } from 'rxjs';
 import { afterEach, describe, expect, it, vi } from 'vitest';
 
@@ -134,6 +135,25 @@ describe('DropdownMenuLabel', () => {
 });
 
 describe('DropdownWrapper', () => {
+    it('opens toward the left in RTL layouts', async () => {
+        const { findByText, getByRole } = render(
+            <ConfigProvider direction="rtl" mountContainer={document.body}>
+                <ToolbarDropdownProvider>
+                    <TooltipWrapper dropdownKey="test-dropdown">
+                        <DropdownWrapper overlay={<div>Dropdown content</div>}>
+                            <button type="button">Open dropdown</button>
+                        </DropdownWrapper>
+                    </TooltipWrapper>
+                </ToolbarDropdownProvider>
+            </ConfigProvider>
+        );
+
+        fireEvent.click(getByRole('button', { name: 'Open dropdown' }));
+        const content = (await findByText('Dropdown content')).closest('[data-slot="popover-content"]');
+
+        expect(content?.getAttribute('data-align')).toBe('end');
+    });
+
     it('closes on an outside pointerdown even when no click follows', async () => {
         const { findByText, getByRole, queryByText } = render(
             <ToolbarDropdownProvider>