Abstract: The present invention relates to a robot service system and a robot apparatus using a social network service, and comprises: (a) a step in which a terminal device is connected to a robot apparatus by executing a social network service program, and displays a service screen on which an image captured by the robot apparatus is displayed; (b) a step in which the terminal device transmits a robot control command inputted to the service screen to the robot apparatus; (c) a step in which the robot apparatus performs an operation according to the robot control command and transmits operation performance data to the terminal device; and (d) a step in which the terminal device displays the operation performance data transmitted from the robot apparatus on the service screen.