Injection type nasal cavity sprayer

The utility model discloses an injection type nasal cavity sprayer. The injection type nasal cavity sprayer comprises a spraying cylinder which liquid medicine can be injected into, an atomization forming pad is installed on the front portion of an inner cavity of the spraying cylinder, a liquid medicine via hole is formed in the middle of the atomization forming pad, an annular boss is arranged at the front end of the atomization forming pad, the space defined by the annular boss and the inner surface of the front wall of the spraying cylinder is an atomization forming cavity, a mist liquid spraying hole is formed in the middle of the front wall of the spraying cylinder, the front portion of the spraying cylinder is connected with a nozzle with an inner cavity communicated with the mist liquid spraying hole, the nozzle is columnar, the front end face of the nozzle is semispherical, multiple spraying holes are evenly formed in the front end face and the lateral wall of the nozzle, and the rear portion of the spraying cylinder is connected with a liquid medicine pushing device capable of extruding liquid medicine in the inner cavity of the spraying cylinder. The injection type nasal cavity sprayer enables liquid medicine entering the nasal cavity of a patient to be even, the liquid medicine directly reaches the focus, and the optimal treatment effect is achieved.