diff --git a/services/ans/include/advanced_notification_service.h b/services/ans/include/advanced_notification_service.h
index 6516b3666ec52f77d37c755cf725ec9a819a73cf..bd64933c23ca15f3ee77b875c48f6523427d2a7b 100644
--- a/services/ans/include/advanced_notification_service.h
+++ b/services/ans/include/advanced_notification_service.h
@@ -1013,6 +1013,12 @@ public:
      * @return Returns set result.
      */
     ErrCode SetTargetDeviceStatus(const std::string &deviceType, const uint32_t status) override;
+
+    /**
+     * @brief clear notification when aggregate local switch close.
+     */
+    void ClearAllNotificationGroupInfo(std::string localSwitch);
+
     /**
      * @brief Reset pushcallback proxy
      */
@@ -1325,7 +1331,7 @@ private:
     static std::mutex pushMutex_;
     static std::map<NotificationConstant::SlotType, sptr<IPushCallBack>> pushCallBacks_;
     static std::map<NotificationConstant::SlotType, sptr<NotificationCheckRequest>> checkRequests_;
-
+    bool aggregateLocalSwitch_ = false;
     std::shared_ptr<OHOS::AppExecFwk::EventRunner> runner_ = nullptr;
     std::shared_ptr<OHOS::AppExecFwk::EventHandler> handler_ = nullptr;
     std::list<std::shared_ptr<NotificationRecord>> notificationList_;
diff --git a/services/ans/src/advanced_aggregation_data_roaming_observer.cpp b/services/ans/src/advanced_aggregation_data_roaming_observer.cpp
index 4bd9f3f78fffda20c32356050d1e14f6ee6a7d2e..584f18ce768b451ffb0bb209c12f10bd82f99dba 100644
--- a/services/ans/src/advanced_aggregation_data_roaming_observer.cpp
+++ b/services/ans/src/advanced_aggregation_data_roaming_observer.cpp
@@ -29,13 +29,14 @@ void AdvancedAggregationDataRoamingObserver::OnChange()
 {
     string enable = "";
     AdvancedNotificationService::GetInstance()->GetUnifiedGroupInfoFromDb(enable);
-    ANS_LOGI("fengyunfei GetUnifiedGroupInfoFromDb enter, enable:%{public}s", enable.c_str());
+    ANS_LOGI("GetUnifiedGroupInfoFromDb enter, enable:%{public}s", enable.c_str());
 
 #ifdef ENABLE_ANS_EXT_WRAPPER
     EXTENTION_WRAPPER->SetlocalSwitch(enable);
+    AdvancedNotificationService::GetInstance()->ClearAllNotificationGroupInfo(enable);
 #else
     ANS_LOGD("Not enabled ans_ext");
 #endif
 }
 } // namespace Telephony
-} // namespace OHOS
\ No newline at end of file
+} // namespace OHOS
diff --git a/services/ans/src/advanced_datashare_observer.cpp b/services/ans/src/advanced_datashare_observer.cpp
index e577ef7b87548c0c2ccbfe93d8e70c56f3355d1b..13e8ead264591e245b14ddfe7467ccd5e81102e9 100644
--- a/services/ans/src/advanced_datashare_observer.cpp
+++ b/services/ans/src/advanced_datashare_observer.cpp
@@ -62,7 +62,7 @@ void AdvancedDatashareObserver::UnRegisterSettingsObserver(
 void AdvancedDatashareObserver::RegisterSettingsObserver(
     const Uri &uri, const sptr<AAFwk::IDataAbilityObserver> &dataObserver)
 {
-    ANS_LOGI("fengyunfei AdvancedDatashareObserver::RegisterSettingsObserver enter");
+    ANS_LOGD("AdvancedDatashareObserver::RegisterSettingsObserver enter");
     std::shared_ptr<DataShare::DataShareHelper> settingHelper = CreateDataShareHelper();
     if (settingHelper == nullptr) {
         ANS_LOGE("Register settings observer by nullptr");
@@ -84,4 +84,4 @@ void AdvancedDatashareObserver::NotifyChange(const Uri &uri)
 }
 
 } // namespace Notification
-} // namespace OHOS
\ No newline at end of file
+} // namespace OHOS
diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index 902d65cf2c4ad431c0673c4886302133b3cc45c6..0de1e1aa801a58e72f1cefb9b6b17467f034f640 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -2194,5 +2194,24 @@ ErrCode AdvancedNotificationService::SetTargetDeviceStatus(const std::string &de
         deviceType.c_str(), DelayedSingleton<DistributedDeviceStatus>::GetInstance()->GetDeviceStatus(deviceType));
     return ret;
 }
+
+void AdvancedNotificationService::ClearAllNotificationGroupInfo(std::string localSwitch)
+{
+    ANS_LOGD("ClearNotification enter.");
+    bool status = (localSwitch == "true");
+    if (notificationSvrQueue_ == nullptr) {
+        ANS_LOGE("ClearNotification Serial queue is invalid.");
+        return;
+    }
+
+    ffrt::task_handle handler = notificationSvrQueue_->submit_h([=]() {
+        if (aggregateLocalSwitch_ && !status) {
+            for (const auto& item : notificationList_) {
+                item->notification->GetNotificationRequestPoint()->SetUnifiedGroupInfo(nullptr);
+            }
+        }
+        aggregateLocalSwitch_ = status;
+    });
+}
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/services/ans/src/advanced_notification_service.cpp b/services/ans/src/advanced_notification_service.cpp
index 5b35e275301c6f5e1e820cf4ecf829bfa408c2c3..c2c955648e9a964b90e46269e1208ab23a890edb 100644
--- a/services/ans/src/advanced_notification_service.cpp
+++ b/services/ans/src/advanced_notification_service.cpp
@@ -1055,7 +1055,7 @@ ErrCode AdvancedNotificationService::GetUnifiedGroupInfoFromDb(std::string &enab
     Uri enableUri(datashareHelper->GetUnifiedGroupEnableUri());
     bool ret = datashareHelper->Query(enableUri, KEY_UNIFIED_GROUP_ENABLE, enable);
     if (!ret) {
-        ANS_LOGE("Query focus mode enable fail.");
+        ANS_LOGE("Query smart aggregation switch failed.");
         return -1;
     }
 
diff --git a/services/ans/src/notification_extension_wrapper.cpp b/services/ans/src/notification_extension_wrapper.cpp
index 4460e4721a3dc46179a1ef29f54caf4cd0ecc194..c38046ab7012f2d7d94b73b4130168eef3292dde 100644
--- a/services/ans/src/notification_extension_wrapper.cpp
+++ b/services/ans/src/notification_extension_wrapper.cpp
@@ -89,13 +89,13 @@ void ExtensionWrapper::SetlocalSwitch(std::string &enable)
 
 void ExtensionWrapper::RegisterDataSettingObserver()
 {
-    ANS_LOGI("fengyunfei ExtensionWrapper::RegisterDataSettingObserver enter");
+    ANS_LOGD("ExtensionWrapper::RegisterDataSettingObserver enter");
     if (aggregationRoamingObserver_ == nullptr) {
         aggregationRoamingObserver_ = new (std::nothrow) AdvancedAggregationDataRoamingObserver();
     }
 
     if (aggregationRoamingObserver_ == nullptr) {
-        ANS_LOGI("aggregationRoamingObserver_ is null");
+        ANS_LOGE("aggregationRoamingObserver_ is null");
         return;
     }