The invention discloses a parking lot. The parking lot comprises parking spaces, a movable charging robot and a robot management system; the charging robot comprises a robot body, a traveling mechanism, a storage battery pack, a control unit, a firefighting unit and a monitoring alarm unit; the traveling mechanism is used for driving the robot body to move to an electric vehicle parking position; the storage battery pack is used for storing electric energy and charging an electric vehicle; the control unit is used for receiving a control command sent by the robot management system and controlling traveling of the traveling mechanism and discharge of the storage battery pack according to the control command so as to complete charge of the designated electric vehicle; the firefighting unit is used for putting out a fire when the fire occurs in the parking lot; the monitoring alarm unit is connected with the control unit and is used for monitoring the parking lot and giving an alarm when an accident, such as the fire, occurs.