The disclosure discloses a service providing client, a wireless terminal and a method for implementing binding. The service providing client comprises a transmission module, which is configured to transmit authentication information to the wireless terminal (701); a judgment module, which is configured to judge whether the wireless terminal is a legal binding object according to a response of the wireless terminal for the authentication information (702); and a processing module, which is configured to provide service to the wireless terminal (703) if the wireless terminal is a legal binding object, otherwise, restrict the service provided to the wireless terminal.