The pain in the anus every time you have a bowel movement is considered to be an anal fissure. Anal fissures are generally categorized into acute and chronic fissures according to the history of the disease. If the history of the disease is shorter than two months called acute anal fissure, generally with the use of conservative treatment, usually should pay attention to improve the diet, eat more vegetables, fruits and other crude fiber food, to maintain the softening of the stool and smooth, with the use of taining suppository anus, the external use of ma yinglong hemorrhoidal ointment and so on to control the symptoms of anal fissure. The history of more than two months for most of the chronic anal fissure, serious anal fissure will be accompanied by the triad of anal fissure, that is, fissure outside the sentinel hemorrhoids, inside the anal papillae hypertrophy and the middle of the fissure of chronic ulcers. Old anal fissure by medicine conservative treatment effect is not good, need to perform surgical treatment, can be performed anal fissure excision plus anal sphincter partially cut off.