diff --git a/ril/v1_4/IRil.idl b/ril/v1_4/IRil.idl
index d20470ee511b48ec1cf8e5c56df3fb7b746a2c4e..97e7398fdfc664b03318eb1009a111886487c0eb 100644
--- a/ril/v1_4/IRil.idl
+++ b/ril/v1_4/IRil.idl
@@ -45,6 +45,7 @@ package ohos.hdi.ril.v1_4;
 
 import ohos.hdi.ril.v1_4.IRilCallback;
 import ohos.hdi.ril.v1_3.IRil;
+import ohos.hdi.ril.v1_4.Types;
 
 /**
  * @brief Declares the request API of the RIL module.
@@ -68,5 +69,98 @@ interface IRil extends ohos.hdi.ril.v1_3.IRil {
       * @version 1.0
       */
     [oneway] SetCallback1_4([in] IRilCallback rilCallback);
+
+    /**
+    * @brief Send UePolicy Command result.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    * @param msgbuffer
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] SendUrspDecodeResult([in] int slotId, [in] int serialId,
+      [in] struct UePolicyDecodeResult uePolicyDecodeResult);
+
+    /**
+    * @brief Send UePolicy Section Identifier.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    * @param msgbuffer
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] SendUePolicySectionIdentifier([in] int slotId, [in] int serialId,
+      [in] struct UePolicySectionIdentifier uePolicySectionIdentifier);
+
+    /**
+    * @brief ImsRsdList.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    * @param msgbuffer
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] SendImsRsdList([in] int slotId, [in] int serialId, [in] struct ImsRsdList imsRsdList);
+
+    /**
+    * @brief GetNetworkSliceAllowedNssai.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    * @param msgbuffer
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] GetNetworkSliceAllowedNssai([in] int slotId, [in] int serialId,
+      [in] struct SyncAllowedNssaiInfo syncAllowedNssaiInfo);
+
+    /**
+    * @brief GetNetworkSliceEhplmn.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] GetNetworkSliceEhplmn([in] int slotId, [in] int serialId);
+
+    /**
+    * @brief Activates the packet data protocol (PDP) context.
+    *
+    * @param slotId Card slot ID.
+    * @param serialId Serial ID of a request.
+    * @param dataCallInfo Data service information with apn types. For details, see {@link DataCallInfoWithApnTypes}.
+    *
+    * @return Returns <b>0</b> if the operation is successful.
+    * @return Returns a non-0 value if the operation fails.
+    *
+    * @since 5.1
+    * @version 1.0
+    */
+    [oneway] ActivatePdpContextWithApnTypesforSlice([in] int slotId, [in] int serialId,
+        [in] struct DataCallInfoWithApnTypesforSlice dataCallInfo);
 }
 /** @} */
diff --git a/ril/v1_4/IRilCallback.idl b/ril/v1_4/IRilCallback.idl
index be2dc165a0720f7bc09bbc7fd5905027968f27fb..ae9f00fe8dd90d7e9fd21c2f5da9f5201fab1d1d 100644
--- a/ril/v1_4/IRilCallback.idl
+++ b/ril/v1_4/IRilCallback.idl
@@ -68,5 +68,44 @@ import ohos.hdi.ril.v1_4.Types;
      */
     [oneway] GetCallListResponseExt([in] struct RilRadioResponseInfo responseInfo,
         [in] struct CallInfoExtList callList);
+
+    /**
+     * @brief Reporting the ursp info.
+     *
+     * @param responseInfo Common response information, such as the card slot ID and request sequence ID. For details,
+     * see {@link RilRadioResponseInfo}.
+     * @param networksliceUrspInfo.
+     *
+     * @since 5.1
+     * @version 1.0
+     */
+    [oneway] NetworkSliceUrspRpt([in] struct RilRadioResponseInfo responseInfo,
+        [in] struct NetworkSliceUrspInfo networksliceUrspInfo);
+
+    /**
+     * @brief Reporting the allowed-nssai info.
+     *
+     * @param responseInfo Common response information, such as the card slot ID and request sequence ID. For details,
+     * see {@link RilRadioResponseInfo}.
+     * @param networksliceAllowedNssaiInfo.
+     *
+     * @since 5.1
+     * @version 1.0
+     */
+    [oneway] NetworkSliceAllowedNssaiRpt([in] struct RilRadioResponseInfo responseInfo,
+        [in] struct NetworkSliceAllowedNssaiInfo networksliceAllowedNssaiInfo);
+
+    /**
+     * @brief Reporting the ehplmn info.
+     *
+     * @param responseInfo Common response information, such as the card slot ID and request sequence ID. For details,
+     * see {@link RilRadioResponseInfo}.
+     * @param networksliceEhplmnInfo.
+     *
+     * @since 5.1
+     * @version 1.0
+     */
+    [oneway] NetworkSliceEhplmnRpt([in] struct RilRadioResponseInfo responseInfo,
+        [in] struct NetworkSliceEhplmnInfo networksliceEhplmnInfo);
 }
 /** @} */
\ No newline at end of file
diff --git a/ril/v1_4/Types.idl b/ril/v1_4/Types.idl
index 6b52bd799c1d49ea524edf7c161a3fcb2439a45d..1904e90edbdf5f65e7ff58795d81be2ccc7e25f2 100644
--- a/ril/v1_4/Types.idl
+++ b/ril/v1_4/Types.idl
@@ -136,4 +136,148 @@ struct CallInfoExtList {
      * Call status information list
      */
     List<struct CallInfoExt> calls;
-};
\ No newline at end of file
+};
+
+/**
+ * @brief Defines ursp info.
+ */
+struct NetworkSliceUrspInfo {
+    List<unsigned char> urspInfo;
+};
+
+/**
+ * @brief Defines allowednssai Info.
+ */
+struct NetworkSliceAllowedNssaiInfo {
+    List<unsigned char> allowednssaiInfo;
+};
+
+/**
+ * @brief Defines ehplmn Info.
+ */
+struct NetworkSliceEhplmnInfo {
+    List<unsigned char> ehplmnInfo;
+};
+
+/**
+ * @brief Defines the uepolicy decode result information.
+ */
+struct UePolicyDecodeResult {
+    List<unsigned char> uePolicyDecodeResultInfo;
+};
+
+/**
+ * @brief Defines the ue policy state indication.
+ */
+struct UePolicySectionIdentifier {
+    List<unsigned char> uePolicySectionIdentifierInfo;
+};
+
+/**
+ * @brief Defines the ims rsd list.
+ */
+struct ImsRsdList {
+    List<unsigned char> imsRsdListInfo;
+};
+
+/**
+ * @brief Defines the SyncAllowedNssaiInfo.
+ */
+struct SyncAllowedNssaiInfo {
+    List<unsigned char> syncAllowedNssaiInfo;
+};
+
+/**
+ * @brief Defines PDP context information with apn types for slice.
+ */
+struct DataProfileDataInfoWithApnTypesforSlice {
+    /**
+     * Request SN
+     */
+    int serial;
+
+    /**
+     * Data service type. The value 0 indicates the default data service,
+     * and the value 1 indicates the MMS data service.
+     */
+    int profileId;
+
+    /**
+     * Authentication mode:
+     *- 0: no authentication
+     *- 1: Password Authentication Protocol (PAP)
+     *- 2: Challenge Handshake Authentication Protocol (CHAP)
+     */
+    int authenticationType;
+
+    /**
+     * Access point name
+     */
+    String apn;
+
+    /**
+     * Protocol version
+     */
+    String protocol;
+
+    /**
+     * Roaming protocol version
+     */
+    String roamingProtocol;
+
+    /**
+     * Username
+     */
+    String userName;
+
+    /**
+     * Password
+     */
+    String password;
+
+    /**
+     * Supported APN types Bitmap
+     */
+    unsigned long supportedApnTypesBitmap;
+
+    String snssai;
+ 
+    int sscMode;
+};
+
+/**
+ * @brief Defines the data service information for slice.
+ */
+struct DataCallInfoWithApnTypesforSlice {
+    /**
+     * Request SN
+     */
+    int serial;
+
+    /**
+     * Radio access technology. For details, see {@link RilRadioTech}.
+     */
+    int radioTechnology;
+
+    /**
+     * Whether the PDP context is set for the modem
+     */
+    boolean modemCognitive;
+
+    /**
+     * Whether roaming is allowed. The value true indicates that roaming is allowed,
+     * and the value false indicates the opposite.
+     */
+    boolean roamingAllowed;
+
+    /**
+     * Whether the user is roaming. The value true indicates that the user is roaming,
+     * and the value false indicates the opposite.
+     */
+    boolean isRoaming;
+
+    /**
+     * PDP context information with apn types
+     */
+    struct DataProfileDataInfoWithApnTypesforSlice dataProfileInfo;
+ };
\ No newline at end of file