Anal fissures are one of the more painful anal diseases. Although anal fissures are highly prevalent, they are not unpreventable, and knowing the following common sense health care can effectively reduce the incidence of anal fissures. 1, among the factors in the development of anal fissures, constipation is the biggest bane. The key to reducing the symptoms of anal fissures is to solve constipation. When you find a dry stool, do not blame the bowel movement, keep the bowel movement smooth, to develop the habit of regular bowel movement every day, find a dry stool, do not blame the bowel movement, but to use warm salt water enema or open plug injection put anal laxative. In addition, drinking water therapy is the most effective and inexpensive way to prevent constipation. Constipation patients can drink plain water, light salt water, honey water and soup before and after meals, but should not drink too much strong tea or caffeine drinks. 2, daily diet should avoid too fine, can eat more vegetables, fruits, beans and other coarse food containing more vitamins and fiber, so that the stool to keep lubricated and smooth; eat less spicy and stimulating food, such as chili, garlic, onion, mustard, etc.. 3, every day before going to bed adhere to the sitz bath with warm water for 20 minutes sitz bath, and in the process of sitz bath to carry out anal exercise.