Applicator for dermatological department

The utility model relates to the field of medical instruments, in particular to a dermatological applicator which comprises a medicine bottle, a medicine applying plate, a plurality of balls, a first control valve, a balloon, an air inlet pipe, a push plate, a second control valve and an air outlet pipe. A medicine supplementing pipe is arranged on the side end face of the medicine bottle; the first control valve is mounted on the medicine supplementing pipe; the air outlet pipe is mounted on the medicine bottle; the second control valve is mounted on the air outlet pipe; the air inlet pipe is installed on the medicine bottle and provided with a one-way valve. The balloon is connected with an air inlet pipe; the push plate is slidably connected with the inner wall of the medicine bottle and divides the inner space of the medicine bottle into an upper inflation space and a lower medicine storage space. A discharge hole is formed in the bottom surface of the lower medicine storage space; the medicine applying p