Anal fissure is not afraid to defecate, mainly because the anal pain is intense, the patient is afraid of defecation, the use of diclofenac sodium pessary anus, the first relief of anal pain, and at the same time, to maintain a smooth bowel movement. If the stool texture is relatively hard or constipated patients, through dietary management, eat more fruits and vegetables or seeds containing more, such as dragon fruit, passion fruit has a heat diarrhea at the same time, if necessary, or with the use of laxative drugs, such as hemp soft capsule, six flavors can be eliminated capsule, lactulose oral solution or polyethylene glycol 4000 loose laxative. The fissure of the anus can be combined with erythromycin ointment, Ma Yinglong hemorrhoidal ointment or mupirocin ointment topical application, to promote wound healing.