Abstract: A method of taking an elevator by an unmanned device is provided including: through a remote communication connection established with a cloud platform, sending a start floor elevator call request to the cloud platform; receiving real-time running information of at least one elevator returned by the cloud platform; selecting a target elevator according to the real-time running information of the at least one elevator, and entering the target elevator; and establishing a communication connection with an elevator controlling communication device of the target elevator, and sending a target floor elevator call request to an elevator controlling device of the target elevator through the communication connection such that the elevator controlling device controls the target elevator to run to a target floor based on the target floor elevator call request, where the elevator controlling communication device of the target elevator is connected with the elevator controlling device of the target elevator.