Medicine sprayer for pneumology department nursing

The utility model relates to the technical field of pneumology department nursing, in particular to a medicine sprayer for pneumology department nursing, which comprises a syringe, a sleeve box fixedly arranged inside the top end of the syringe, a damping spring fixedly arranged on the inner wall of the bottom end of a column casing, a guide rod fixedly arranged at the top end of the damping spring, and a chuck fixedly arranged at the top end of the guide rod. A silica gel layer is fixedly arranged on the inner wall of the top side of the chuck in an embedded mode, a liquid storage cylinder is fixedly arranged at the top end of the sleeve box, a cover piece makes contact with the top end of the liquid storage cylinder in an embedded mode, and a dustproof filter screen is fixedly arranged at the bottom end of the cover piece. The right end of the injection cylinder is fixedly communicated with a guide pipe. A silica gel pad is fixedly arranged at the tail end of the infusion tube. By the adoption of the medici