The anal opening is broken, may be anal fissure, perianal abscess, perianal eczema, etc., according to the specific cause of the need to take appropriate diagnostic and treatment measures. 1. Anal fissure: mostly due to constipation leads to longitudinal fissures or ulcers on the skin of the anal opening, you can take a sitz bath with warm water under the guidance of a doctor, and apply nitroglycerin ointment locally to alleviate the symptoms and promote healing. 2. Perianal abscess: acute suppurative infection of the perianal soft tissue, abscess to a certain extent can break out on its own, manifested as the skin around the anal opening breaks down, accompanied by pain, pus, etc., has been diagnosed with the need for perianal abscess radical surgery. 3. Perianal eczema: it is a chronic inflammatory disease around the anus, which can appear local itching, dampness, skin ulceration. You can use topical zinc oxide ointment and other local treatment under the guidance of the doctor. Daily life needs to be reasonably regular light diet, maintain perianal cleanliness and hygiene, change underwear, if you have symptoms of physical discomfort, should go to the hospital in a timely manner, consult a physician’s guidance, do not blindly use their own medication.