Chinese medicine treatment of anal fissure in the heat knot intestinal dryness, internal medication with cool blood di Huang Tang with spleen about Ma Ren Pills; in Yin deficiency intestinal dryness, medication with increase liquid Tang with lubricating intestinal Tang; generally more external treatment-based, after defecation with compound Jingbao wash decoction soup fumigation, and then use the muscle of the Yuhong cream or Huanglian paste external coating of trauma, to promote the healing of the wound. 1.internal treatment prescription: anal fissure presenting heat knot intestinal dryness, it is appropriate to clear heat and cool blood, lubricate the bowel, take cool blood dihuangtang combined with the spleen about Ma Ren Pill plus subtraction treatment. If the anal fissure shows yin deficiency and intestinal dryness, it is advisable to nourish yin and promote the production of fluids, take the increase of fluid soup and lubricate the intestines soup with additions and subtractions to improve the intestinal defecation difficulties, which is conducive to the repair of anal fissure. 2. External treatment: anal fissure is usually treated externally, and after each defecation, it is fumigated with the decoction of compound thorn mustard lotion, and then the wound is coated externally with the muscle-generating yuhong ointment or the Huanglian ointment, which can promote the healing process. The treatment of anal fissure in traditional Chinese medicine, need to be under the guidance of the doctor to identify the use of drugs, the effect of medicine is not good, timely medical surgery, to avoid misunderstanding or aggravation of the condition.