An apparatus management system managing an apparatus through an information terminal includes a transmission part configured to transmit terminal information identifying the information terminal and apparatus information identifying the apparatus, a reception part configured to receive the terminal information and the apparatus information, an authentication part configured to determine whether the received terminal information and apparatus information match one of registered combinations of terminal information and apparatus information, and a notification part configured to transmit apparatus management information to the information terminal when the authentication part determines that the received terminal information and apparatus information match one of the registered combinations of terminal information and apparatus information.