diff --git a/services/ans/src/advanced_notification_publish_service.cpp b/services/ans/src/advanced_notification_publish_service.cpp
index 64636a8098056a6375c0d98006c4874e9b673360..e55d2337f253818fe1fd5611a98bfb69a412e857 100644
--- a/services/ans/src/advanced_notification_publish_service.cpp
+++ b/services/ans/src/advanced_notification_publish_service.cpp
@@ -50,6 +50,7 @@
 #include "advanced_datashare_helper_ext.h"
 #include "datashare_result_set.h"
 #include "parameter.h"
+#include "parameters.h"
 #include "system_ability_definition.h"
 #include "if_system_ability_manager.h"
 #include "iservice_registry.h"
@@ -74,6 +75,7 @@ constexpr const char *CONTACT_DATA = "datashare:///com.ohos.contactsdataability/
 constexpr const char *SUPPORT_INTEGELLIGENT_SCENE = "true";
 constexpr int32_t CLEAR_SLOT_FROM_AVSEESAION = 1;
 constexpr int32_t CLEAR_SLOT_FROM_RSS = 2;
+constexpr const char *PERSIST_EDM_NOTIFICATION_DISABLE =  "persist.edm.notification_disable";
 
 ErrCode AdvancedNotificationService::SetDefaultNotificationEnabled(
     const sptr<NotificationBundleOption> &bundleOption, bool enabled)
@@ -1050,6 +1052,9 @@ void AdvancedNotificationService::ClearAllNotificationGroupInfo(std::string loca
 
 bool AdvancedNotificationService::IsDisableNotification(const std::string &bundleName)
 {
+    if (system::GetBoolParameter(PERSIST_EDM_NOTIFICATION_DISABLE, false)) {
+        return true;
+    }
     NotificationDisable notificationDisable;
     if (NotificationPreferences::GetInstance()->GetDisableNotificationInfo(notificationDisable)) {
         if (notificationDisable.GetDisabled()) {
diff --git a/services/ans/test/unittest/BUILD.gn b/services/ans/test/unittest/BUILD.gn
index 3e70e45ee4e88e2f58447c66455e1a243d9d6b34..0c1b19a507caa03949dad4c6369c11a0e9b54c9e 100644
--- a/services/ans/test/unittest/BUILD.gn
+++ b/services/ans/test/unittest/BUILD.gn
@@ -433,6 +433,7 @@ ohos_unittest("notification_publish_service_test") {
     "mock/mock_bundle_mgr.cpp",
     "mock/mock_event_handler.cpp",
     "mock/mock_ipc.cpp",
+    "mock/mock_parameters.cpp",
     "mock/mock_push_callback_stub.cpp",
     "mock/mock_single_kv_store.cpp",
     "notification_dialog_test/mock_os_account_manager_annex.cpp",
diff --git a/services/ans/test/unittest/advanced_notification_publish_service_test.cpp b/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
index ba8b989f71f54751cf9002a51d7a6572cf2a42c4..f5c90b6ada82b988e5a82778f4b0be907ce6424d 100644
--- a/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
+++ b/services/ans/test/unittest/advanced_notification_publish_service_test.cpp
@@ -31,6 +31,7 @@
 #include "notification_constant.h"
 #include "ans_ut_constant.h"
 #include "ans_dialog_host_client.h"
+#include "mock_parameters.h"
 #include "mock_push_callback_stub.h"
 #include "mock_ipc_skeleton.h"
 #include "bool_wrapper.h"
@@ -1581,6 +1582,24 @@ HWTEST_F(AnsPublishServiceTest, IsDisableNotification_001, Function | SmallTest
     ASSERT_FALSE(result);
 }
 
+/**
+ * @tc.name: IsDisableNotification_002
+ * @tc.desc: Test IsDisableNotification
+ * @tc.type: FUNC
+ * @tc.require: issue
+ */
+HWTEST_F(AnsPublishServiceTest, IsDisableNotification_002, Function | SmallTest | Level1)
+{
+    bool defaultPolicy = system::GetBoolParameter("persist.edm.notification_disable", false);
+    if (!defaultPolicy) {
+        system::SetBoolParameter("persist.edm.notification_disable", true);
+    }
+    std::string bundleName = "";
+    bool result = advancedNotificationService_->IsDisableNotification(bundleName);
+    ASSERT_TRUE(result);
+    system::SetBoolParameter("persist.edm.notification_disable", defaultPolicy);
+}
+
 /**
  * @tc.name: IsNeedToControllerByDisableNotification_001
  * @tc.desc: Test IsNeedToControllerByDisableNotification
diff --git a/services/ans/test/unittest/mock/include/mock_parameters.h b/services/ans/test/unittest/mock/include/mock_parameters.h
new file mode 100644
index 0000000000000000000000000000000000000000..0b42a95d45df75bfb6682fa329a76d0cb6280894
--- /dev/null
+++ b/services/ans/test/unittest/mock/include/mock_parameters.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef SYSTEM_PARAMETERS_H
+#define SYSTEM_PARAMETERS_H
+#include <limits>
+#include <string>
+#include <map>
+
+namespace OHOS {
+namespace system {
+bool GetBoolParameter(const std::string& key, bool def);
+void SetBoolParameter(const std::string& key, bool status);
+}
+} // namespace OHOS
+
+#endif // SYSTEM_PARAMETERS_H
\ No newline at end of file
diff --git a/services/ans/test/unittest/mock/mock_parameters.cpp b/services/ans/test/unittest/mock/mock_parameters.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0fb04d438c6ffe43687400fa2e46c844e4dcc39d
--- /dev/null
+++ b/services/ans/test/unittest/mock/mock_parameters.cpp
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mock_parameters.h"
+
+#include <mutex>
+
+namespace OHOS {
+namespace system {
+std::mutex g_parameterMutex;
+std::map<std::string, bool> systemParameter = {{"persist.edm.notification_disable", false}};
+
+bool GetBoolParameter(const std::string& key, bool def)
+{
+    std::lock_guard<std::mutex> lock(g_parameterMutex);
+    auto iter = systemParameter.find(key);
+    return (iter != systemParameter.end()) ? iter->second : def;
+}
+
+void SetBoolParameter(const std::string& key, bool status)
+{
+    std::lock_guard<std::mutex> lock(g_parameterMutex);
+    systemParameter[key] = status;
+}
+}
+} // namespace OHOS
\ No newline at end of file