Anal fissures are not good for a month, for this condition it is easy to form old anal fissures, the wound of anal fissures will form ulcerative wounds, the effect of simple medication is not good. It is recommended that patients go to the anorectal department of the hospital to take surgical treatment, which generally requires anal sphincter removal surgery, mainly for the removal of ulcerative wounds, and then post-operative medication change treatment, commonly used drugs are red oil cream gauze or Jingwanhong ointment, which can promote wound healing. When the wound is healed, the fissure will be treated. At the same time, you should keep your bowels open after surgery to avoid dry and hard stools, and you can take some hemp pills to regulate them appropriately. Pay attention to the dryness and hygiene of the perianal skin, you can wash with warm salt water or take a sitz bath with potassium permanganate solution after each bowel movement.