diff --git a/services/ans/include/access_token_helper.h b/services/ans/include/access_token_helper.h
index cfaf82c9dde557564536d05a6f612c4c837aeba4..f73add0c9a01f4c62cf37aa368710ed18ead9d76 100644
--- a/services/ans/include/access_token_helper.h
+++ b/services/ans/include/access_token_helper.h
@@ -26,6 +26,7 @@ class AccessTokenHelper {
 public:
     static bool VerifyCallerPermission(
         const Security::AccessToken::AccessTokenID &tokenCaller, const std::string &permission);
+    static bool VerifyNativeToken(const Security::AccessToken::AccessTokenID &callerToken);
 };
 }  // namespace Notification
 }  // namespace OHOS
diff --git a/services/ans/src/access_token_helper.cpp b/services/ans/src/access_token_helper.cpp
index 840837628738a0dd2479c5981b80a47a1f19860b..b49617be6ad571b0c72cdd76099d51e8121767e2 100644
--- a/services/ans/src/access_token_helper.cpp
+++ b/services/ans/src/access_token_helper.cpp
@@ -23,5 +23,12 @@ bool AccessTokenHelper::VerifyCallerPermission(
     int result = Security::AccessToken::AccessTokenKit::VerifyAccessToken(tokenCaller, permission);
     return (result == Security::AccessToken::PERMISSION_GRANTED);
 }
+
+bool AccessTokenHelper::VerifyNativeToken(const Security::AccessToken::AccessTokenID &callerToken)
+{
+    Security::AccessToken::ATokenTypeEnum tokenType =
+        Security::AccessToken::AccessTokenKit::GetTokenTypeFlag(callerToken);
+    return tokenType == Security::AccessToken::ATokenTypeEnum::TOKEN_NATIVE;
+}
 }  // namespace Notification
 }  // namespace OHOS
\ No newline at end of file
diff --git a/services/ans/src/advanced_notification_service.cpp b/services/ans/src/advanced_notification_service.cpp
index 1f16043a03fb92207177ef2d6d0c151b1d362814..3362dcc85c011cda00a21c3d5968f3d01828fcaa 100644
--- a/services/ans/src/advanced_notification_service.cpp
+++ b/services/ans/src/advanced_notification_service.cpp
@@ -1595,7 +1595,9 @@ ErrCode AdvancedNotificationService::IsSpecialBundleAllowedNotify(
     }
 
     sptr<NotificationBundleOption> targetBundle = nullptr;
-    if (IPCSkeleton::GetCallingUid() == SYSTEM_SERVICE_UID) {
+    auto callerToken = IPCSkeleton::GetCallingTokenID();
+    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(callerToken);
+    if (isSubsystem) {
         if (bundleOption != nullptr) {
             targetBundle = GenerateValidBundleOption(bundleOption);
         }
@@ -1659,10 +1661,13 @@ ErrCode AdvancedNotificationService::PublishContinuousTaskNotification(const spt
 {
     ANS_LOGD("%{public}s", __FUNCTION__);
 
-    int uid = IPCSkeleton::GetCallingUid();
-    if (uid != SYSTEM_SERVICE_UID) {
+    auto callerToken = IPCSkeleton::GetCallingTokenID();
+    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(callerToken);
+    if (!isSubsystem) {
         return ERR_ANS_NOT_SYSTEM_SERVICE;
     }
+    
+    int uid = IPCSkeleton::GetCallingUid();
     int userId = SUBSCRIBE_USER_INIT;
     OHOS::AccountSA::OsAccountManager::GetOsAccountLocalIdFromUid(uid, userId);
     request->SetCreatorUserId(userId);
@@ -1718,11 +1723,13 @@ ErrCode AdvancedNotificationService::PublishContinuousTaskNotification(const spt
 ErrCode AdvancedNotificationService::CancelContinuousTaskNotification(const std::string &label, int32_t notificationId)
 {
     ANS_LOGD("%{public}s", __FUNCTION__);
-    int uid = IPCSkeleton::GetCallingUid();
-    if (uid != SYSTEM_SERVICE_UID) {
+    auto callerToken = IPCSkeleton::GetCallingTokenID();
+    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(callerToken);
+    if (!isSubsystem) {
         return ERR_ANS_NOT_SYSTEM_SERVICE;
     }
 
+    int uid = IPCSkeleton::GetCallingUid();
     ErrCode result = ERR_OK;
     handler_->PostSyncTask(std::bind([&]() {
         sptr<Notification> notification = nullptr;
@@ -2500,7 +2507,9 @@ ErrCode AdvancedNotificationService::DoesSupportDoNotDisturbMode(bool &doesSuppo
 bool AdvancedNotificationService::CheckPermission()
 {
     ANS_LOGD("%{public}s", __FUNCTION__);
-    if (IPCSkeleton::GetCallingUid() == SYSTEM_SERVICE_UID) {
+    auto callerToken = IPCSkeleton::GetCallingTokenID();
+    bool isSubsystem = AccessTokenHelper::VerifyNativeToken(callerToken);
+    if (isSubsystem) {
         return true;
     }
 
diff --git a/services/ans/test/unittest/mock/mock_access_token_helper.cpp b/services/ans/test/unittest/mock/mock_access_token_helper.cpp
index cfa1f3a4599c97ec47a706062245d613a138faf2..51c2f039e007568d3be76eafd903af52e6383d50 100644
--- a/services/ans/test/unittest/mock/mock_access_token_helper.cpp
+++ b/services/ans/test/unittest/mock/mock_access_token_helper.cpp
@@ -22,5 +22,10 @@ bool AccessTokenHelper::VerifyCallerPermission(
 {
     return true;
 }
+
+bool AccessTokenHelper::VerifyNativeToken(const Security::AccessToken::AccessTokenID &callerToken)
+{
+    return true;
+}
 }  // namespace Notification
 }  // namespace OHOS
\ No newline at end of file
diff --git a/services/test/moduletest/mock/mock_access_token_helper.cpp b/services/test/moduletest/mock/mock_access_token_helper.cpp
index cfa1f3a4599c97ec47a706062245d613a138faf2..51c2f039e007568d3be76eafd903af52e6383d50 100644
--- a/services/test/moduletest/mock/mock_access_token_helper.cpp
+++ b/services/test/moduletest/mock/mock_access_token_helper.cpp
@@ -22,5 +22,10 @@ bool AccessTokenHelper::VerifyCallerPermission(
 {
     return true;
 }
+
+bool AccessTokenHelper::VerifyNativeToken(const Security::AccessToken::AccessTokenID &callerToken)
+{
+    return true;
+}
 }  // namespace Notification
 }  // namespace OHOS
\ No newline at end of file