Oral cavity medicine sprayer

The oral cavity medicine sprayer comprises a pressing cap (1) capable of being buckled on a pressurizing head in a sleeving mode, the whole pressing cap (1) is of a hollow cylindrical structure with an opening formed in the bottom, and a notch (2) is formed in one side of the top of the pressing cap (1) in a radial penetrating mode. A positioning seat (3) and a linkage valve block (4) driven by the positioning seat (3) are arranged in the pressing cap (1). The oral cavity spraying device is simple in structure, can be used as a spraying rod for spraying and dosing local parts of an oral cavity and can be used as an unlocking rod of an internal spraying liquid path, that is, unlocking of the liquid path can be completely achieved only by unfolding the spraying pipe for use, the overall convenience is greatly improved, and the spraying device is convenient to use. Compared with a traditional mode that a rotary knob type closing cap is installed on the spray nozzle, operation steps are obviously simplified, and