Disclosed is a master robot for controlling at least one slave robot. The master robot includes a communicator that communicates with the slave robot or a mobile terminal, at least one sensor, an inputter that inputs an image signal or an audio signal, and a controller that creates a space map corresponding to a predetermined space in which the master robot and the slave robot are located on the basis of information sensed by the sensor or information inputted through the inputter. Accordingly, a master robot equipped with artificial intelligence and a 5G communication module can be provided.