Ear cavity ointment spraying device

The ear cavity ointment spraying device comprises a spraying medicine cylinder, a horizontal partition plate is arranged in the spraying medicine cylinder and divides an inner cavity of the spraying medicine cylinder into a pressurizing cavity and a power cavity, a piston plate is arranged on the inner wall of the power cavity, the top of the piston plate is connected with a push-pull rod and an operating handle, and an ointment filling opening is formed in the side wall of the power cavity. A mounting base is arranged at the top of the suction cavity, an inner suction pipe and an outer suction pipe are in butt joint in the mounting base, a spraying head is arranged at the end of the outer suction pipe, a plurality of pesticide outlet holes penetrate through the spraying head, a movable self-locking sealing cap assembly is arranged at the position, outside the spraying head, of the outer end of the outer suction pipe, and a groove is formed in the inner top of the spraying pesticide barrel and located at the