The treatment of perianal ulcers is seen in terms of treatment of the primary cause and basic treatment as well as daily care: a. Removal of the cause. Often the causes of perianal skin ulcers are pressure sores, syphilis, trauma and bacterial infections in other areas. If the ulcer is caused by a pressure sore, the patient should be kept turning over frequently and avoiding the same part touching the bed for a long time. If the infection is syphilis, the patient should receive anti-syphilis treatment, the common medication being penicillin. If it is caused by trauma, it needs to be carefully cleared, the damaged skin edge should be treated well, the foreign body should be removed, the dirt should be cleaned up, and the tetanus vaccine should be given. Second, the basic treatment is antibiotic treatment, with antibiotics to prevent the growth of local bacteria. It is necessary to change the medication every day on time, keep the wound surface dry, and can assist in the use of growth factors. Third, in the process of care should be high-quality protein diet, improve the patient’s immunity, and frequent activities.