diff --git a/api/controllers/console/app/annotation.py b/api/controllers/console/app/annotation.py
index 2b48afd550..41ac659d0f 100644
--- a/api/controllers/console/app/annotation.py
+++ b/api/controllers/console/app/annotation.py
@@ -260,6 +260,18 @@ class AnnotationHitHistoryListApi(Resource):
         }
         return response
 
+class AnnotationClearAllApi(Resource):
+    @setup_required
+    @login_required
+    @account_initialization_required
+    def post(self, app_id):
+        if not current_user.is_editor:
+            raise Forbidden()
+
+        app_id = str(app_id)
+        AppAnnotationService.clear_all_annotations(app_id)
+        return {"result": "success"}, 200
+
 
 api.add_resource(AnnotationReplyActionApi, "/apps/<uuid:app_id>/annotation-reply/<string:action>")
 api.add_resource(
@@ -273,3 +285,4 @@ api.add_resource(AnnotationBatchImportStatusApi, "/apps/<uuid:app_id>/annotation
 api.add_resource(AnnotationHitHistoryListApi, "/apps/<uuid:app_id>/annotations/<uuid:annotation_id>/hit-histories")
 api.add_resource(AppAnnotationSettingDetailApi, "/apps/<uuid:app_id>/annotation-setting")
 api.add_resource(AppAnnotationSettingUpdateApi, "/apps/<uuid:app_id>/annotation-settings/<uuid:annotation_setting_id>")
+api.add_resource(AnnotationClearAllApi, "/apps/<uuid:app_id>/annotations/clear-all")
diff --git a/api/services/annotation_service.py b/api/services/annotation_service.py
index 8c950abc24..b7288efe51 100644
--- a/api/services/annotation_service.py
+++ b/api/services/annotation_service.py
@@ -446,3 +446,52 @@ class AppAnnotationService:
                 "embedding_model_name": collection_binding_detail.model_name,
             },
         }
+
+    @classmethod
+    def clear_all_annotations(cls, app_id: str) -> dict:
+        """
+        清空指定应用的所有标注及其相关的命中历史记录。
+
+        :param app_id: 应用的ID
+        :return: 返回操作结果
+        """
+        # 获取应用信息
+        app = (
+            db.session.query(App)
+            .filter(App.id == app_id, App.tenant_id == current_user.current_tenant_id, App.status == "normal")
+            .first()
+        )
+
+        if not app:
+            raise NotFound("App not found")
+
+        # 删除所有标注
+        annotations = db.session.query(MessageAnnotation).filter(MessageAnnotation.app_id == app_id).all()
+        for annotation in annotations:
+            # 删除标注的命中历史记录
+            annotation_hit_histories = (
+                db.session.query(AppAnnotationHitHistory)
+                .filter(AppAnnotationHitHistory.annotation_id == annotation.id)
+                .all()
+            )
+            for annotation_hit_history in annotation_hit_histories:
+                db.session.delete(annotation_hit_history)
+
+            # 删除标注本身
+            db.session.delete(annotation)
+
+        # 提交事务
+        db.session.commit()
+
+        # 如果标注回复功能已启用，清理相关的索引任务
+        annotation_setting = (
+            db.session.query(AppAnnotationSetting).filter(AppAnnotationSetting.app_id == app_id).first()
+        )
+        if annotation_setting:
+            for annotation in annotations:
+                delete_annotation_index_task.delay(
+                    annotation.id, app_id, current_user.current_tenant_id, annotation_setting.collection_binding_id
+                )
+
+        return {"result": "success"}
+
diff --git a/web/app/components/app/annotation/header-opts/index.tsx b/web/app/components/app/annotation/header-opts/index.tsx
index eb397db55f..e072e577de 100644
--- a/web/app/components/app/annotation/header-opts/index.tsx
+++ b/web/app/components/app/annotation/header-opts/index.tsx
@@ -77,6 +77,18 @@ const HeaderOptions: FC<Props> = ({
 
   const [showBulkImportModal, setShowBulkImportModal] = useState(false)
 
+    const handleClearAll = async () => {
+    await confirm({
+      title: t('appAnnotation.table.header.clearAllConfirm'),
+      type: 'danger',
+    })
+    try {
+      await clearAllAnnotations(appId)
+      onAdded()
+    } catch (e) {
+      console.error(e)
+    }
+  }
   const Operations = () => {
     return (
       <div className="w-full py-1">
@@ -125,6 +137,15 @@ const HeaderOptions: FC<Props> = ({
             </MenuItems>
           </Transition>
         </Menu>
+        <button
+          onClick={handleClearAll}
+          className='h-9 py-2 px-3 mx-1 flex items-center space-x-2 hover:bg-red-50 rounded-lg cursor-pointer disabled:opacity-50 w-[calc(100%_-_8px)] text-red-600'
+        >
+          <Trash03 className='w-4 h-4'/>
+          <span className='grow system-sm-regular text-left'>
+            {t('appAnnotation.table.header.clearAll')}
+          </span>
+        </button>
       </div>
     )
   }
@@ -138,7 +159,7 @@ const HeaderOptions: FC<Props> = ({
         <div>{t('appAnnotation.table.header.addAnnotation')}</div>
       </Button>
       <CustomPopover
-        htmlContent={<Operations />}
+        htmlContent={<Operations/>}
         position="br"
         trigger="click"
         btnElement={
diff --git a/web/i18n/en-US/app-annotation.ts b/web/i18n/en-US/app-annotation.ts
index 43f24a7619..54a1cb4c5f 100644
--- a/web/i18n/en-US/app-annotation.ts
+++ b/web/i18n/en-US/app-annotation.ts
@@ -17,6 +17,7 @@ const translation = {
       bulkImport: 'Bulk Import',
       bulkExport: 'Bulk Export',
       clearAll: 'Clear All Annotation',
+      clearAllConfirm: 'Are you sure you want to delete all annotations? This action cannot be undone.'
     },
   },
   editModal: {
diff --git a/web/i18n/zh-Hans/app-annotation.ts b/web/i18n/zh-Hans/app-annotation.ts
index 3a6cacf5b5..060d9163c9 100644
--- a/web/i18n/zh-Hans/app-annotation.ts
+++ b/web/i18n/zh-Hans/app-annotation.ts
@@ -19,6 +19,7 @@ const translation = {
       bulkImport: '批量导入',
       bulkExport: '批量导出',
       clearAll: '删除所有标注',
+      clearAllConfirm: '您是否确定要删除所有标注？这个动作不可撤回！',
     },
   },
   editModal: {