Xanthous ulcer is medically called impetigo, which is a suppurative skin disease. There is no such thing as a quick cure. Clinical treatments mainly include topical medications, oral medications and so on. 1. Topical drugs: impetigo is caused by bacterial infections, mainly including Staphylococcus aureus and Streptococcus b hemolyticus. Treatment is mainly based on antibiotic drugs, such as mupirocin ointment, fusidic acid ointment, etc., to eliminate skin infection and promote the healing of impetigo. 2. Oral medication: the lesions are large in scope, the effect of external drug treatment is not good, if necessary, with oral antibiotic treatment, such as penicillin, clindamycin, cephalosporin and so on. The symptoms of impetigo are recommended to go to the hospital dermatology, pediatrics, combined with the doctor’s advice to use medication to help the recovery of the disease.