There is no such thing as the best anal fistula surgery, it varies from person to person, and the surgery that suits you is the best. Anal fistula surgery is currently the main anal fistula incision, anal fistula excision, hanging line therapy. 1. anal fistula incision: cut the fistula, keep the incision open, so that the drainage is smooth, relying on the growth of the granulation itself, so that the incision gradually healed, applicable to low or acute anal fistula. 2. anal fistula excision: remove all the fistula wall, if the wound is large, part of the suture, part of the open, mainly for the more stable anal fistula. 3. Hanging thread therapy: the use of rubber bands or medical thread to slowly cut the fistula fistula method. Applicable to high anal fistula, can be very good to protect the anal sphincter, to retain the function of the anus, reduce anal incontinence and other complications. Anal fistula is generally difficult to self-healing, surgical treatment is the fundamental means of healing, daily recommended to develop good habits, keep the anus clean, avoid sedentary, moderate exercise, etc., the emergence of anal fistula is recommended to consult a doctor in a timely manner, in order to avoid the emergence of other complications.