The lift is mainly used for the transfer of materials between floors with AGV, and the system docking between AGV and lift can achieve mutual cooperation. Before AGV reaches the elevator door, call forward to avoid waiting. After the elevator car and AGV reach the response position, the elevator safety door automatically opens, the AGV carries the material into the elevator car, the safety door closes, the elevator automatically transfers the goods with the AGV to the designated floor, the safety door opens, and the AGV carries the material out of the elevator.