Dressing change device

The invention discloses a dressing change device which comprises a concentric-square-shaped plate, and a fixing box is fixedly connected to the bottom of the concentric-square-shaped plate. Legs or arms are placed on the top of an arc-shaped supporting plate, then a motor is started to drive an arc-shaped block to move through an L-shaped rod for fixing, a water pump pumps out disinfectant, the disinfectant is sprayed to the affected part of a patient through a spray head for disinfection work, and the bottom of a medicine applying head is smeared with medicine; the second electric telescopic rod drives the medicine applying head to move through the second electric telescopic rod so that medicine can be evenly applied to the affected part of the patient, fixing is convenient in the process of changing medicine for the arms or legs of the patient, the arms or legs of the patient are prevented from moving, the affected part cannot be torn and bleeding, safety is improved, and the patient can conveniently use th