Corrosion-proof dropper

The utility model relates to a corrosion-proof dropper used for hospital checkout rooms, which belongs to the technical field of medical appliances. The dropper comprises a rubber head and a glass pipe, and is characterized in that a reversed cone shape anti-return pipe is inlaid and arranged in the tail end of the glass pipe, the anti-return pipe is sealed and fixed with the glass pipe, and the nozzle of the anti-return pipe is directly sleeved in the open end of the rubber head. Since the reversed cone anti-return pipe is arranged in the tail end of the glass pipe, air flow can be guaranteed to smoothly enter and withdraw the rubber head to absorb medicament, and the corrosion to the rubber head because of the backward flowing of medicine due to chemical evaporation or operation miss is avoided, thereby the service life of the rubber head can be effectively prolonged, materials are easy to draw, the manufacturing is convenient, the structure is simple, and the cost is low.