The invention relates to an offline configuration system based on wireless transmission. The offline configuration system comprises a vehicle type configuration information server, offline equipment, a high-frequency module, a BCM/PEPS electric control module and a gateway; the vehicle type configuration information server is connected with the offline equipment; the high-frequency module is connected with the offline equipment; the high-frequency module and the BCM/PEPS electric control module are in wireless communication connection; the BCM/PEPS electric control module and the gateway are connected through a CAN bus; the gateway is connected with a vehicle ECU through the CAN bus; the vehicle type configuration information server is used for storing configuration information of a vehicle; the configuration information includes the number, the type and the configuration information of the whole vehicle; the offline equipment is used for downloading the configuration information of the vehicle in the related type from the vehicle type configuration server; the high-frequency module is used for encapsulating the configuration information of the vehicle in the related type downloaded by the offline equipment into a high-frequency signal, and forwarding the high-frequency signal to the BCM/PEPS electric control module; and the BCM/PEPS electric control module is used for receiving the high-frequency signal transmitted by the high-frequency module, and analyzing the configuration information of the vehicle in the related type from the high-frequency signal.