Anal fissure triad generally refers to the triad of anal papilloma or anal papillitis, sentinel hemorrhoids, old anal fissure or its resulting subcutaneous fistula, which should be in the category of stage III anal fissure in anal fissure over time. Therefore, the anal fissure triad is a stage III anal fissure. Constipation and overexertion in defecation rupture the anal skin and cause repeated and morbid fissures. Preventive measures: 1. Preventing constipation is the key ① Eat a reasonable diet: avoid spicy and other stimulating foods, eat more foods that facilitate defecation, such as vegetables and fruits, and the main food should also be light. ②Normal bowel movements: Make it a good habit to have regular bowel movements every day, and when you encounter difficulties with bowel movements, you should not try to hold on to them, but discharge them naturally. ③Supplemental water: the body should be replenished with enough water, you can drink more warm water every day, you can also drink a cup of honey water in the morning when you wake up to help the intestinal peristalsis normal. 2. Personal hygiene: Every day, you should wash the anus with warm water to keep the skin around the anus clean and clear. If you can under the conditions, you can take a sitz bath with warm water for 15-20 minutes every day. 3, do not abuse drugs: do not have difficulty defecating, take some laxatives and other products, easy to cause intestinal burden, reduce the frequency of intestinal peristalsis, which makes the body resistance to decline, causing other diseases to occur.