The specific treatment of skin infections and ulcers is as follows: 1. Go to the hospital: It is best to go to the hospital for professional examination and treatment of skin infections and ulcers to avoid adverse consequences due to infections and ulcers. 2. Do a good job of disinfection of the wound: If you cannot go to the hospital for special reasons, then do a good job of disinfection and care of the wound. Then you can give furacilin solution soaked sterile gauze later wet compress on the affected area, the gauze should be 5-6 layers thick, the wet compress time is about 20 minutes each time, you can do 2-3 times a day wet compress, then you can give ozone oil or epidermal growth factor gel to be used on the affected area alternately. But the skin infection, ulcers vary in severity, it is best to go to the hospital for professional examination, in order to clarify the severity of the skin lesions, and then select drugs for symptomatic treatment, only then can have better results.