A method for terminal configuration and management includes: acquiring a configuration file, where the configuration file includes server account information; configuring the server account information in the acquired configuration file onto a Device Management Tree (DMT) of a terminal; based on the server account information, establishing a management session between the terminal and the server, and performing management and subsequent configuration on the terminal during the session. A corresponding terminal device and a corresponding system are also provided. Through the method, the terminal can determine, according to protocol version information supported by or corresponding to the corresponding server and carried in a configuration packet, a protocol that should be used for communication with a server, and perform configuration according to the correct protocol version, thus improving the operation efficiency.