Anal fissure” is simply understood as anal fissure, involving the skin and mucous membrane, modern medicine believes that anal fissure is a kind of chronic ischemic ulcers, with dry stool, defecation, too much force caused by the local damage as the direct cause, followed by trauma infection to form a chronic anal fissure, difficult to heal over a long period of time. The main symptoms are periodic pain in anus during defecation, blood staining of toilet paper or blood attached to the surface of feces, constipation in vicious circle, moist and itchy anus, and various kinds of local discomfort in anus, which are divided into early anal fissure and old anal fissure. We usually say that conservative treatment is ineffective and requires surgical treatment, most of which are chronic and old anal fissures that are difficult to heal and have produced various complications. Anal fissure patients to young adults, 20-40 years old is the disease of the high incidence of age, especially in young women, male and female incidence of the ratio of about 1:2.5, usually occurs in the anterior and posterior anus in the middle of the position, especially after the side of the most common, the patient occurred before the anal fissure tend to have defecation difficulties in the history of the above symptoms recurring attacks. Once anal fissure occurs, if not timely medical treatment, almost all anal fissure will become chronic, not only the symptoms are painful, affecting the quality of life, but also produce a series of complications, resulting in the surgery becomes complicated, increase the chance of postoperative complications, prolong the postoperative recovery time, and greatly increase the pain. People who are susceptible to anal fissure 1. People with dietary habit of greasy, spicy, pickled and heavy food; 2. People who love to drink alcohol or even abuse alcohol for a long period of time; 3. People who drink less water every day and have insufficient intake of water; 4. People who don’t love to eat vegetables and fruits, and have less intake of dietary fiber; 5. People who stay up late at night for a long period of time, and have high work pressure and nervousness, which leads to poor living habits. Announcement notice a, defecation anal pain is intense, usually cut-like pain, needle-like pain and other relatively “sharp” pain, defecation minutes to 10 minutes after the pain to reduce the pain, disappear, is the “pain intermittent period”, about half an hour after the stool again appear intense pain, often lasts about a few hours, and then the pain is not very strong, and the pain is not very strong. Pain, often lasts about several hours, most of them can be gradually relieved by themselves; pain during defecation can also last for a long time and then be relieved, without obvious intervals; Bleeding during defecation, bright red in color, the amount is usually not much, and it is often blood stained on the toilet paper or a small amount of blood dripping down or there is a small amount of blood stained on the feces; Normally there are difficulties in defecation and dryness of feces, and fear of defecation arises after the occurrence of pain in anus when defecation occurs. Psychological and subconscious unwillingness to defecate attitude, the more not defecate, defecate the more intense pain, the more difficult to discharge stools, the formation of a “vicious circle”; four, perianal swelling, often anal fissure fissure end that is, the anus in front of the anus, the position of the rear; five, the anus around the moist, itching, secretion, they feel uncomfortable.