The utility model relates to a movable manual hydraulic lifting device. The movable manual hydraulic lifting device comprises a footing, a single-action hydraulic lifting jack, a lifting jack fixing frame, a fine-adjustment cushion block, pre-compressed springs, a supporting frame, a high-pressure hose and a manual pump, wherein the single-action hydraulic lifting jack is arranged in the lifting jack fixing frame, the lower portion of the lifting jack fixing frame is connected with the supporting frame with universal wheels, the upper portion of each universal wheel is provided with one pre-compressed spring, the footing is arranged at the upper portion of the single-action hydraulic lifting jack, the fine-adjustment cushion block is arranged between the single-action hydraulic lifting jack and the lifting jack fixing frame, and the manual pump is connected with the single-action hydraulic lifting jack through the high-pressure hose. The movable manual hydraulic lifting device further comprises an adjustment cushion block, wherein the adjustment cushion block is arranged between the single-action hydraulic lifting jack and the lifting jack fixing frame, and the supporting frame is a triangular supporting frame. The movable manual hydraulic lifting device can lift a semitrailer to separate from and be connected with a traction car in a hanging mode conveniently.