One of the main manifestations of anal ulcers is redness, swelling, itching, localized warmth, and pus discharge from the perianal skin. In addition, individual patients may also have pain and bleeding and other related symptoms, the pain is often repeated, periodic. The onset of anal ulcers is closely related to perianal eczema, sinusitis, perianal abscess and other diseases. In addition, unclean anal hygiene, such as not cleaning the anus after defecation, fecal debris and intestinal secretions stimulate the perianal skin causing ulcers. Long-term bad dietary habits, such as often eating spicy stimulating food or pickled food, may also cause anal congestion and edema, ulceration. It is recommended that patients with anal ulcers should go to the hospital in time for examination and targeted treatment after clarifying the cause of the disease. In addition, should develop a good dietary habits, maintain perianal hygiene, regular bowel movement.