The invention relates to an automatic teller machine, which comprises a safe, an electronic cabinet which is installed on the safe, an operating device which is installed at the front side of the electronic cabinet and a protective cover which is sleeved on the periphery of the operating device, wherein the electronic cabinet comprises a shell which is installed at the rear side of the operating device and a mounting frame which is installed inside the shell, the mounting frame is fixed on the safe, the shell of the electronic cabinet comprises a pair of side plates and a top plate which is arranged between the two side plates, and the side plates and the top plate can be independently and detachably installed on the mounting frame. The shell of the electronic cabinet of the automatic teller machine can be convenient to disassemble, so the automatic teller machine is convenient to check and repair.