Serpiginous sores may be shingles, which is a disease caused by the varicella-zoster virus. So pay attention to rest and don’t strain or get cold. Try to eat a light diet, for example, beef and mutton should be eaten sparingly, but eggs, milk and lean meat can be eaten normally. Treatment can be done with antiviral drugs, such as vaxilovir, acyclovir and so on, while paying attention to the regulation of immunity, such as the regulation of immune function drugs transfer factor, while preventing secondary infections, you can use topical Bactrim and so on. Physical therapy can be done, such as red light, to promote repair and reduce pain. So in the treatment is a comprehensive treatment, diet can eat eggs, milk, etc., but like beef, mutton can eat less.