A mobile robot, and a method of controlling the mobile robot, the mobile robot including a communication interface configured to communicate with a beacon; a metal sensor configured to detect a metal guide connected to a charging station; and a controller configured to control the communication interface to communicate with the beacon to obtain position information of the mobile robot, obtain a distance between the mobile robot and the charging station based on the obtained position information of the mobile robot and indoor map information, and based on the obtained distance being less than a first reference distance, operate the metal sensor to detect the metal guide.