The invention discloses a medicine spraying system used in the respiratory medicine. The system comprises a first frame body, a second frame body, a holding device, a pushing device, a fixing device and a fixing bar, the first frame body is provided with a first through hole and a first fixing ring, the second frame body is provided with a second fixing ring and a third frame body, the pushing device comprises a pushing block, a connecting rod, a pushing plate, a first sealing ring, a first pushing rod, a second sealing ring, a third sealing ring and a first spring, the holding device comprises a holding rod, a first cross rod, a first support, a fixing frame and a second spring, the fixing device comprises a second cross rod, a second support, a third support, a first inclined rod, a cushion block, a third cross rod, a first vertical rod and a fourth cross rod, one end of the holding rod is fixedly connected with the left surface of the pushing rod, the other end of the holding rod is fixedly connected with the left end of the first cross rod, and the first support is in an L shape. By means of the system, liquid medicine can be sprayed to the throat position conveniently, the operation is simple and fast, the treatment efficiency is improved, and the valuable time of a patient is saved.