The invention discloses a medicine applying device capable of quickly cleaning wounds. The device includes a motor, a sealed top cover, a medicine storage cylinder, a sleeve, an arc-shaped spray plate, a dust cover, a medicine applying roller and a fluid pump; the top of the medicine storage cylinder is opened, the top of the medicine storage cylinder is provided with external threads, the inner ring of the sealed top cover is provided with internal threads matched with the external threads, and the sealed top cover is detachably connected to the medicine storage cylinder through the threads;the motor is fixedly installed on the top of the sealed top cover, a heating plate is arranged on the outer wall of the medicine applying roller, a medicine is heated by the heating plate, and therefore the comfort of patients is effectively improved; and a limiting flange is fixedly installed on the bottom of the medicine storage cylinder, the top of the sleeve is opened, and a movable cavity isarranged in the sleeve. The medicine applying device capable of quickly cleaning the wounds is simple in structure and convenient to use, uniformly applies the medicine, and can massage skin, promotesubcutaneous blood circulation, help medicine penetration, and improve the work efficiency of medical workers while applying the medicine.