The anal fissure is not good for a long time, it may be the previous anal fissure for a long time, thus forming the old anal fissure, so it can not be good for a long time, there may be constipation and anal fissure repeatedly stimulate each other, thus leading to a long time not good, you need to have surgery as soon as possible under the guidance of the doctor. Anal fissure is usually seen as an ulcer caused by a fissure in the skin of the anal canal, the exit of the digestive tract from the dentate line to the anal verge, the surface of the narrowest anal canal tissue is split, it may be dry stool, constipation and other reasons for the skin to tear, and there may be pain in defecation, blood in the stool and other symptoms. If the symptoms are severe, it can be treated by anal fissure resection or internal sphincter amputation under the guidance of a doctor. In your daily life, eat more fresh fruits and vegetables, pay attention to rest, and have bowel movements on time to keep your bowels clear.