diff --git a/network/netmanager/include/net_connection.h b/network/netmanager/include/net_connection.h
index 0ab63a063080a619c9d6d44964064b819a5e8a44..7716f87e3e647a26ef44a5028ed8184f7254240d 100644
--- a/network/netmanager/include/net_connection.h
+++ b/network/netmanager/include/net_connection.h
@@ -401,6 +401,75 @@ int32_t OH_NetConn_QueryProbeResult(char *destination, int32_t duration, NetConn
 int32_t OH_NetConn_QueryTraceRoute(char *destination, NetConn_TraceRouteOption *option,
     NetConn_TraceRouteInfo *traceRouteInfo);
 
+/**
+ * @brief Sets the URL of the current PAC file script.
+ *
+ * @param pacUrl the URL of the current PAC script.
+ * @return the result defines in {@link NetConn_ErrorCode}.
+ *         {@link NETCONN_SUCCESS} Success.
+ *         {@link NETCONN_PERMISSION_DENIED} Permission denied.
+ *         {@link NETCONN_PARAMETER_ERROR} Parameter check failed.
+ *         {@link NETCONN_OPERATION_FAILED} Failed to connect to the service.
+ * @permission ohos.permission.SET_PAC_URL
+ * @since 20
+ */
+NetConn_ErrorCode OH_NetConn_SetPacFileUrl(const char *pacUrl);
+
+/**
+ * @brief find the proxy infomation for the url
+ * @param url  the url link
+ * @param proxy  the pac proxy infomation
+ * @return  the proxy result
+ * @since 20
+ */
+NetConn_ErrorCode OH_NetConn_FindProxyForURL(const char *url, char *proxy);
+
+/**
+ * @brief Obtains the URL of the current PAC file script.
+ *
+ * @param pacUrl the URL of the current PAC script.
+ * @return the result defines in {@link NetConn_ErrorCode}.
+ *         {@link NETCONN_SUCCESS} Success.
+ *         {@link NETCONN_PARAMETER_ERROR} Parameter check failed.
+ *         {@link NETCONN_OPERATION_FAILED} Failed to connect to the service.
+ * @since 20
+ */
+NetConn_ErrorCode OH_NetConn_GetPacFileUrl(char *pacUrl);
+
+/**
+ * @brief Registers a callback to listen the pac file url changed.
+ *
+ * @param pacFileUrlChange The callback needed to be registered.
+ * @param callbackId out param, corresponding to a registered callback.
+ * @return 0 - Success.
+ *         201 - Permission denied.
+ *         401 - Parameter error.
+ *         2100002 - Failed to connect to the service.
+ *         2100003 - System internal error.
+ *         2101008 - The callback already exists.
+ *         2101022 - The number of requests exceeded the maximum allowed.
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 20
+ * @version 1.0
+ */
+int32_t OH_NetConn_RegisterPacFileUrlCallback(OH_NetConn_PacFileUrlChange *pacFileUrlChange, uint32_t *callbackId);
+
+/**
+ * @brief Unregisters pac file url change callback.
+ *
+ * @param callBackId the id corresponding to a registered callback.
+ * @return 0 - Success.
+ *         201 - Permission denied.
+ *         401 - Parameter error.
+ *         2100002 - Failed to connect to the service.
+ *         2100003 - System internal error.
+ *         2101007 - The callback does not exists.
+ * @permission ohos.permission.GET_NETWORK_INFO
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 20
+ * @version 1.0
+ */
+int32_t OH_NetConn_UnregisterPacFileUrlCallback(uint32_t callBackId);
 #ifdef __cplusplus
 }
 #endif
diff --git a/network/netmanager/libnet_connection.ndk.json b/network/netmanager/libnet_connection.ndk.json
index ed2a16131598098e136c2718e19eecb1c6c753e1..493aebabe05d789a7d99e0b0a3c87ccf525a8f8b 100644
--- a/network/netmanager/libnet_connection.ndk.json
+++ b/network/netmanager/libnet_connection.ndk.json
@@ -94,5 +94,17 @@
     {
         "first_introduced": "20",
         "name": "OH_NetConn_QueryTraceRoute"
+    },
+    {
+      "first_introduced": "20",
+      "name": "OH_NetConn_SetPacFileUrl"
+    },
+    {
+      "first_introduced": "20",
+      "name": "OH_NetConn_GetPacFileUrl"
+    },
+    {
+      "first_introduced": "20",
+      "name": "OH_NetConn_FindProxyForURL"
     }
 ]
\ No newline at end of file