The invention relates to an elevator and a robot elevator taking method and device. The robot elevator taking method comprises following steps that a robot sends a calling instruction to an elevator control system, the elevator control system controls a designated elevator to run to the floor where the robot is located according to the calling instruction, the robot enters a lift car of the designated elevator, the state information of the designated elevator is called, whether the state information meets the robot elevator taking preset condition or not is judged, if yes, a target floor instruction is sent to the elevator control system, the elevator control system controls the designated elevator to run to the target floor of the robot according to the target floor instruction, and the robot is away from the lift car of the designed elevator; according to the method, the robot can conveniently and rapidly take the elevator designed according to the human body needs, a user does not need to go downstairs for treating the work not completed by the robot, operation is easy, work efficiency is improved, and manual cost is reduced.