The utility model discloses a vehicle-mounted automobile accessory management system, comprising a vehicle-mounted accessory management terminal and a remote end server, wherein the vehicle-mounted accessory management terminal consists of a wireless communication module, a processor, a storage module, an input module and a display module; the wireless communication module and the remote end server conduct wireless communication, and the storage module is used for storing automobile accessory information; the input module is used for controlling information input by a user; and the processor is connected with the wireless communication module, the storage module, the input module and the display module. The vehicle-mounted accessory management terminal is convenient for the user to look up the automobile accessory information at any time and carry out maintenance on the automobile accessories so as to prolong the service life of vehicles, reduce the safety hidden hazard of the vehicles, and simultaneously be convenient for the user to replace the accessories.