The utility model discloses a western medicine aluminum sealing punching device, belonging to the medical appliance. The aim of the western medicine aluminum sealing punching device lies in solving the defects that the intensity of labour of the present manual punching is big, the holes are uneasy to disinfect for the holes are small, the bottle stopper can be penetrated for the improper force, which makes that the whole bottle of medicine is wasted and the radiopharmaceutical runs out, the speed is slow, etc. The structure of the western medicine aluminum sealing punching device is that a body flange is provided with an electric magnet, the waist part is provided with a microswitch, and the top end of the gag bit of the electric magnet provided with a jumper bar which is sleeved by a spring. When the medicine bottle presses the microswitch, the electric magnet is electrified, and the jumper bar driven by the gag bit punches on the aluminum sealing. When the medicine bottle is raised, the jumper bar goes back to the original position under the effect of the spring. The utility model solves the defect existing in the prior art, and can make that the placing of the medicine bottle and the punching are in a synchronization action.