diff --git a/packages/sheets-ui/src/commands/commands/__tests__/add-worksheet-merge.command.spec.ts b/packages/sheets-ui/src/commands/commands/__tests__/add-worksheet-merge.command.spec.ts
index f388041746..1170f8099b 100644
--- a/packages/sheets-ui/src/commands/commands/__tests__/add-worksheet-merge.command.spec.ts
+++ b/packages/sheets-ui/src/commands/commands/__tests__/add-worksheet-merge.command.spec.ts
@@ -108,6 +108,11 @@ describe('Test add worksheet merge commands', () => {
                         primary: null,
                         style: null,
                     },
+                    {
+                        range: { startRow: 10, startColumn: 10, endColumn: 10, endRow: 10, rangeType: RANGE_TYPE.NORMAL },
+                        primary: null,
+                        style: null,
+                    },
                 ]);
 
                 function getMerge(): IRange[] | undefined {
@@ -154,6 +159,11 @@ describe('Test add worksheet merge commands', () => {
                         primary: null,
                         style: null,
                     },
+                    {
+                        range: { startRow: 10, startColumn: 10, endColumn: 15, endRow: 10, rangeType: RANGE_TYPE.NORMAL },
+                        primary: null,
+                        style: null,
+                    },
                 ]);
 
                 function getMerge(): IRange[] | undefined {
@@ -198,6 +208,11 @@ describe('Test add worksheet merge commands', () => {
                         primary: null,
                         style: null,
                     },
+                    {
+                        range: { startRow: 10, startColumn: 10, endColumn: 10, endRow: 15, rangeType: RANGE_TYPE.NORMAL },
+                        primary: null,
+                        style: null,
+                    },
                 ]);
 
                 function getMerge(): IRange[] | undefined {
diff --git a/packages/sheets-ui/src/commands/commands/add-worksheet-merge.command.ts b/packages/sheets-ui/src/commands/commands/add-worksheet-merge.command.ts
index 9f59cfaefd..7ccd525c91 100644
--- a/packages/sheets-ui/src/commands/commands/add-worksheet-merge.command.ts
+++ b/packages/sheets-ui/src/commands/commands/add-worksheet-merge.command.ts
@@ -37,6 +37,7 @@ import { IConfirmService } from '@univerjs/ui';
 import type { IAccessor } from '@wendellhu/redi';
 
 import { checkCellContentInRanges, getClearContentMutationParamsForRanges } from '../../common/utils';
+import { getMergeableSelectionsByType, MergeType } from './utils/selection-utils';
 
 export interface IAddMergeCommandParams {
     value?: Dimension.ROWS | Dimension.COLUMNS;
@@ -129,9 +130,11 @@ export const AddWorksheetMergeAllCommand: ICommand = {
         const commandService = accessor.get(ICommandService);
         const selectionManagerService = accessor.get(SelectionManagerService);
         const selections = selectionManagerService.getSelectionRanges();
-        if (!selections?.length) {
+        const mergeableSelections = getMergeableSelectionsByType(MergeType.MergeAll, selections);
+        if (!mergeableSelections?.length) {
             return false;
         }
+
         const univerInstanceService = accessor.get(IUniverInstanceService);
 
         const workbook = univerInstanceService.getCurrentUniverSheetInstance();
@@ -144,7 +147,7 @@ export const AddWorksheetMergeAllCommand: ICommand = {
         const subUnitId = workSheet.getSheetId();
 
         return commandService.executeCommand(AddWorksheetMergeCommand.id, {
-            selections,
+            selections: mergeableSelections,
             unitId,
             subUnitId,
         } as IAddMergeCommandParams);
@@ -158,9 +161,11 @@ export const AddWorksheetMergeVerticalCommand: ICommand = {
         const commandService = accessor.get(ICommandService);
         const selectionManagerService = accessor.get(SelectionManagerService);
         const selections = selectionManagerService.getSelectionRanges();
-        if (!selections?.length) {
+        const mergeableSelections = getMergeableSelectionsByType(MergeType.MergeVertical, selections);
+        if (!mergeableSelections?.length) {
             return false;
         }
+
         const univerInstanceService = accessor.get(IUniverInstanceService);
 
         const workbook = univerInstanceService.getCurrentUniverSheetInstance();
@@ -174,7 +179,7 @@ export const AddWorksheetMergeVerticalCommand: ICommand = {
 
         return commandService.executeCommand(AddWorksheetMergeCommand.id, {
             value: Dimension.COLUMNS,
-            selections,
+            selections: mergeableSelections,
             unitId,
             subUnitId,
         } as IAddMergeCommandParams);
@@ -188,9 +193,11 @@ export const AddWorksheetMergeHorizontalCommand: ICommand = {
         const commandService = accessor.get(ICommandService);
         const selectionManagerService = accessor.get(SelectionManagerService);
         const selections = selectionManagerService.getSelectionRanges();
-        if (!selections?.length) {
+        const mergeableSelections = getMergeableSelectionsByType(MergeType.MergeHorizontal, selections);
+        if (!mergeableSelections?.length) {
             return false;
         }
+
         const univerInstanceService = accessor.get(IUniverInstanceService);
 
         const workbook = univerInstanceService.getCurrentUniverSheetInstance();
@@ -203,7 +210,7 @@ export const AddWorksheetMergeHorizontalCommand: ICommand = {
         const subUnitId = workSheet.getSheetId();
         return commandService.executeCommand(AddWorksheetMergeCommand.id, {
             value: Dimension.ROWS,
-            selections,
+            selections: mergeableSelections,
             unitId,
             subUnitId,
         } as IAddMergeCommandParams);
diff --git a/packages/sheets-ui/src/commands/commands/utils/selection-utils.ts b/packages/sheets-ui/src/commands/commands/utils/selection-utils.ts
index 1eab7e6776..424aa4588d 100644
--- a/packages/sheets-ui/src/commands/commands/utils/selection-utils.ts
+++ b/packages/sheets-ui/src/commands/commands/utils/selection-utils.ts
@@ -18,6 +18,12 @@ import type { ICellData, IRange, ISelection, ISelectionCell, Nullable, ObjectMat
 import { Direction, getReverseDirection, RANGE_TYPE, Rectangle } from '@univerjs/core';
 import { alignToMergedCellsBorders } from '@univerjs/sheets';
 
+export enum MergeType {
+    MergeAll = 'mergeAll',
+    MergeVertical = 'mergeVertical',
+    MergeHorizontal = 'mergeHorizontal',
+}
+
 export interface IExpandParams {
     left?: boolean;
     right?: boolean;
@@ -708,3 +714,31 @@ export function isAllColumnsCovered(allColumnRanges: IRange[], ranges: IRange[])
         return true;
     });
 }
+
+export function getMergeableSelectionsByType(type: MergeType, selections: Nullable<IRange[]>): Nullable<IRange[]> {
+    if (!selections) return null;
+    if (type === MergeType.MergeAll) {
+        return selections.filter((selection) => {
+            if (selection.startRow === selection.endRow && selection.startColumn === selection.endColumn) {
+                return false;
+            }
+            return true;
+        });
+    } else if (type === MergeType.MergeVertical) {
+        return selections.filter((selection) => {
+            if (selection.startRow === selection.endRow) {
+                return false;
+            }
+            return true;
+        });
+    } else if (type === MergeType.MergeHorizontal) {
+        return selections.filter((selection) => {
+            if (selection.startColumn === selection.endColumn) {
+                return false;
+            }
+            return true;
+        });
+    }
+
+    return selections;
+}