Methods of eliminating impetigo include systemic medication to fight infection, local topical treatment and physical therapy. These therapies have certain effects, the specific elimination speed also needs to be based on individual circumstances, it is recommended to go to the hospital for detailed diagnosis and treatment. 1. Systemic anti-infection treatment: If the scope of involvement is large and the symptoms are serious, oral or intravenous antibiotics, such as penicillin, cloxacillin sodium, erythromycin or clindamycin, can be used for anti-infection treatment. 2. Local topical treatment: use potassium permanganate solution on the wound for half an hour to remove the scabs, and then use antibiotic ointment such as mupirocin ointment and ofloxacin ointment, twice in the morning and twice in the evening. If the ulcer is deeper and larger, gentamicin and saline gauze can be used three times a day to help suck out the pus and promote wound healing. 3. Physical therapy: the use of ultraviolet rays, infrared rays, ultra-short-wave laser and other light surface skin, can promote the generation of subcutaneous granulation and healing of the ulcer wound.