A method for reporting and updating device description framework information. The device description framework information reporting method implements that the terminal device reports the updated device description framework information to DMS, which includes: updating the local device description framework information based on the changed structure of the device management tree; informing the updated device description framework information to DMS. The device description framework information updating method improves the validity of DMS's management over the terminal device. The updating method includes: receiving an updating inform about the device description framework information from a terminal device; acquiring the update of the device description framework information based on the updating inform; and updating the device description framework information of the terminal device stored locally based on the acquired device description framework information. Corresponding device, device management server and system are also provided.