The present invention discloses a truck, comprising a frame, forklifts connected with the frame, driven wheels mounted on the forklifts, a battery unit, an operating handle, a hydraulic pump station system and a top cover permanently connected with the frame; a driving wheel unit intended for driving the truck to move, wherein the hydraulic pump station system comprises a driving mechanism and a pump body with a case, the top of the pump body is permanently connected with the top cover and the bottom is connected with the driving wheel unit, a handle mounting portion is provided on the pump case and connected with the operating handle, the pump body is capable of propping up the top cover driven by the driving mechanism and capable of lowering it without any power under the control of the operating handle, and the driving mechanism is located on the side of the handle mounting portion opposite to the pump body and away from the forklifts. The present invention has the advantages of low cost, simple and compact structure, small size, ease of operation, less space occupied and steady operation.