diff --git a/services/ans/include/advanced_notification_service.h b/services/ans/include/advanced_notification_service.h
index a2001aef2ebc7e81b134589698fc2b6d11cf19fd..c88efbea28d7d4cbc7f89669686b89d41556f97e 100644
--- a/services/ans/include/advanced_notification_service.h
+++ b/services/ans/include/advanced_notification_service.h
@@ -1562,6 +1562,7 @@ private:
         const sptr<NotificationBundleOption> bundleOption,
         const bool innerLake);
     void ClearSlotTypeData(const sptr<NotificationRequest> &request, int32_t callingUid);
+    ErrCode CheckCancelPermission(const int32_t reason);
 
     template<typename T>
     bool WriteParcelableVector(const std::vector<sptr<T>> &parcelableVector, MessageParcel &data)
diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index 46195854939d1d4be7f9708083307d28ebc8219f..f257e5004564843a157924b0a9e38711fdb47e4d 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -557,24 +557,9 @@ ErrCode AdvancedNotificationService::CancelAsBundle(
         ANS_LOGE("%{public}s", message.c_str());
         return ERR_ANS_INVALID_PARAM;
     }
-    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(IPCSkeleton::GetCallingTokenID());
-    if (!isSubsystem && !AccessTokenHelper::IsSystemApp()) {
-        std::string message = "not systemApp";
-        OHOS::Notification::HaMetaMessage haMetaMessage = HaMetaMessage(2, 1)
-            .ErrorCode(ERR_ANS_NON_SYSTEM_APP).NotificationId(notificationId);
-        ReportDeleteFailedEventPush(haMetaMessage, reason, message);
-        ANS_LOGE("%{public}s", message.c_str());
-        return ERR_ANS_NON_SYSTEM_APP;
-    }
-
-    if (!AccessTokenHelper::CheckPermission(OHOS_PERMISSION_NOTIFICATION_CONTROLLER) ||
-        !AccessTokenHelper::CheckPermission(OHOS_PERMISSION_NOTIFICATION_AGENT_CONTROLLER)) {
-        std::string message = "no acl permission";
-        OHOS::Notification::HaMetaMessage haMetaMessage = HaMetaMessage(2, 2)
-            .ErrorCode(ERR_ANS_PERMISSION_DENIED).NotificationId(notificationId);
-        ReportDeleteFailedEventPush(haMetaMessage, reason, message);
-        ANS_LOGE("%{public}s", message.c_str());
-        return ERR_ANS_PERMISSION_DENIED;
+    ErrCode permissionResult = CheckCancelPermission(reason);
+    if (permissionResult != ERR_OK) {
+        return permissionResult;
     }
 
     int32_t errCode = CheckUserIdParams(userId);
@@ -3462,5 +3447,29 @@ ErrCode AdvancedNotificationService::SetHashCodeRule(const uint32_t type)
 
     return result;
 }
+
+ErrCode AdvancedNotificationService::CheckCancelPermission(const int32_t reason)
+{
+    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(IPCSkeleton::GetCallingTokenID());
+    if (!isSubsystem && !AccessTokenHelper::IsSystemApp()) {
+        std::string message = "not systemApp";
+        OHOS::Notification::HaMetaMessage haMetaMessage = HaMetaMessage(2, 1)
+            .ErrorCode(ERR_ANS_NON_SYSTEM_APP).NotificationId(notificationId);
+        ReportDeleteFailedEventPush(haMetaMessage, reason, message);
+        ANS_LOGE("%{public}s", message.c_str());
+        return ERR_ANS_NON_SYSTEM_APP;
+    }
+
+    if (!AccessTokenHelper::CheckPermission(OHOS_PERMISSION_NOTIFICATION_CONTROLLER) ||
+        !AccessTokenHelper::CheckPermission(OHOS_PERMISSION_NOTIFICATION_AGENT_CONTROLLER)) {
+        std::string message = "no acl permission";
+        OHOS::Notification::HaMetaMessage haMetaMessage = HaMetaMessage(2, 2)
+            .ErrorCode(ERR_ANS_PERMISSION_DENIED).NotificationId(notificationId);
+        ReportDeleteFailedEventPush(haMetaMessage, reason, message);
+        ANS_LOGE("%{public}s", message.c_str());
+        return ERR_ANS_PERMISSION_DENIED;
+    }
+    return ERR_OK;
+}
 }  // namespace Notification
 }  // namespace OHOS