diff --git a/api/@ohos.enterprise.accountManager.d.ts b/api/@ohos.enterprise.accountManager.d.ts
index b9398fa98..bea9d35c1 100644
--- a/api/@ohos.enterprise.accountManager.d.ts
+++ b/api/@ohos.enterprise.accountManager.d.ts
@@ -30,6 +30,42 @@ import type osAccount from './@ohos.account.osAccount';
  * @since 10
  */
 declare namespace accountManager {
+  /**
+   * The policy of domain account
+   * 
+   * @interface DomainAccountPolicy
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @since 18
+   */
+  interface DomainAccountPolicy {
+    /**
+     * The validity period of authentication.
+     * 
+     * @type { ?number }
+     * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+     * @since 18
+     */
+    authenticationValidityPeriod?: number;
+
+    /**
+     * The validity period of password.
+     * 
+     * @type { ?number }
+     * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+     * @since 18
+     */
+    passwordValidityPeriod?: number;
+
+    /**
+     * The password expiration notification.
+     * 
+     * @type { ?number }
+     * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+     * @since 18
+     */
+    passwordExpirationNotification?: number;
+  }
+
   /**
    * Disallow the user of device add local account.
    * This function can be called by a super administrator.
@@ -203,6 +239,46 @@ declare namespace accountManager {
    * @since 12
    */
   function addOsAccountAsync(admin: Want, name: string, type: osAccount.OsAccountType): Promise<osAccount.OsAccountInfo>;
+
+  /**
+   * Sets domain account policy.
+   * This function can be called by a super administrator.
+   *
+   * @permission ohos.permission.ENTERPRISE_SET_ACCOUNT_POLICY
+   * @param { Want } admin - admin indicates the enterprise admin extension ability information.
+   *                         The admin must have the corresponding permission.
+   * @param { osAccount.DomainAccountInfo } domainAccountInfo - the infomation of domain account.
+   * @param { DomainAccountPolicy } policy - policy indicates the domain account policy.
+   * @throws { BusinessError } 9200001 - The application is not an administrator application of the device.
+   * @throws { BusinessError } 9200002 - The administrator application does not have permission to manage the device.
+   * @throws { BusinessError } 201 - Permission verification failed. The application does not have the permission required to call the API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
+   *                                 2. Incorrect parameter types; 3. Parameter verification failed.
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @stagemodelonly
+   * @since 18
+   */
+  function setDomainAccountPolicy(admin: Want, domainAccountInfo: osAccount.DomainAccountInfo, policy: DomainAccountPolicy): void;
+
+  /**
+   * Gets domain account policy.
+   * This function can be called by a super administrator.
+   *
+   * @permission ohos.permission.ENTERPRISE_SET_ACCOUNT_POLICY
+   * @param { Want } admin - admin indicates the enterprise admin extension ability information.
+   *                         The admin must have the corresponding permission.
+   * @param { osAccount.DomainAccountInfo } domainAccountInfo - the infomation of domain account.
+   * @returns { DomainAccountPolicy } policy - policy indicates the domain account policy.
+   * @throws { BusinessError } 9200001 - The application is not an administrator application of the device.
+   * @throws { BusinessError } 9200002 - The administrator application does not have permission to manage the device.
+   * @throws { BusinessError } 201 - Permission verification failed. The application does not have the permission required to call the API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified;
+   *                                 2. Incorrect parameter types; 3. Parameter verification failed.
+   * @syscap SystemCapability.Customization.EnterpriseDeviceManager
+   * @stagemodelonly
+   * @since 18
+   */
+  function getDomainAccountPolicy(admin: Want, domainAccountInfo: osAccount.DomainAccountInfo): DomainAccountPolicy;
 }
 
 export default accountManager;