diff --git a/api/@ohos.enterpriseDeviceManager.d.ts b/api/@ohos.enterpriseDeviceManager.d.ts
index db9a78797696e8c1c9ec5c45aadc24de1f15225e..a61f712a2429d27981c0e4e96de1e7426c2d5548 100644
--- a/api/@ohos.enterpriseDeviceManager.d.ts
+++ b/api/@ohos.enterpriseDeviceManager.d.ts
@@ -15,6 +15,7 @@
 
 import { AsyncCallback, Callback } from "./basic";
 import { DeviceSettingsManager } from "./enterpriseDeviceManager/DeviceSettingsManager";
+import { DeviceNetworkManager } from "./enterpriseDeviceManager/DeviceNetworkManager";
 import Want from "./@ohos.application.want";
 
 /**
@@ -151,6 +152,15 @@ declare namespace enterpriseDeviceManager {
   function getDeviceSettingsManager(callback: AsyncCallback<DeviceSettingsManager>): void;
   function getDeviceSettingsManager(): Promise<DeviceSettingsManager>;
 
+  /**
+   * Obtains the interface used to set device network policy.
+   *
+   * @since 10
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @return Returns the DeviceNetworkManager interface.
+   */
+  function getDeviceNetworkManager(callback: AsyncCallback<DeviceNetworkManager>): void;
+  function getDeviceNetworkManager(): Promise<DeviceNetworkManager>;
 }
 
 export default enterpriseDeviceManager;
\ No newline at end of file
diff --git a/api/enterpriseDeviceManager/DeviceNetworkManager.ts b/api/enterpriseDeviceManager/DeviceNetworkManager.ts
new file mode 100644
index 0000000000000000000000000000000000000000..e513b26d822f6d3ee24420f83f79df8ed9626f1d
--- /dev/null
+++ b/api/enterpriseDeviceManager/DeviceNetworkManager.ts
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2022 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.
+ */
+
+import { AsyncCallback, Callback } from "../basic";
+import Want from "../@ohos.application.want";
+
+/**
+ * @name Offers set network policies on the devices.
+ * @since 10
+ * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+ */
+export interface DeviceNetworkManager {
+
+  /**
+   * Add the block list and trust list of the Broswer.
+   *
+   * @since 10
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @param admin Indicates the administrator ability information.
+   * @param isTrustList True if the network address list to add is trust list.
+   * @return {@code true} if add the browser network trust list or block list successfully.
+   * @permission ohos.permission.EDM_MANAGE_NETWORK
+   */
+  addBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, callback: AsyncCallback<void>): void;
+  addBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, userId: number, callback: AsyncCallback<void>): void;
+  addBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, userId?: number): Promise<void>;
+
+  /**
+   * Remove the block list and trust list of the Broswer.
+   *
+   * @since 10
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @param admin Indicates the administrator ability information.
+   * @param isTrustList True if the network address list to remove is trust list.
+   * @return {@code true} if remove the browser network trust list or block list successfully.
+   * @permission ohos.permission.EDM_MANAGE_NETWORK
+   */
+  removeBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, callback: AsyncCallback<void>): void;
+  removeBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, userId: number, callback: AsyncCallback<void>): void;
+  removeBrowserNetworkList(admin: Want, isTrustList: boolean, addrList: Array<string>, userId?: number): Promise<void>;
+
+  /**
+   * Get the block list and trust list of the Broswer.
+   *
+   * @since 10
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @param admin Indicates the administrator ability information.
+   * @param isTrustList True if the network address list to get is trust list.
+   * @return {@code true} if get the browser network trust list or block list successfully.
+   */
+  getBrowserNetworkList(admin: Want, isTrustList: boolean, callback: AsyncCallback<Array<string>>): void;
+  getBrowserNetworkList(admin: Want, isTrustList: boolean, userId: number, callback: AsyncCallback<Array<string>>): void;
+  getBrowserNetworkList(admin: Want, isTrustList: boolean, userId?: number): Promise<Array<string>>;
+}
\ No newline at end of file