The treatment of anal fistula has plugging method, surgical treatment, but the treatment should follow the individualized treatment, there is no so-called “best” treatment method. 1. plug method: with metronidazole, saline rinse fistula and then injected with bioprotein gel from the external mouth, mainly for simple anal fistula, characterized by non-invasive and painless. 2. Surgical treatment (1) fistulotomy: for low anal fistula, the fistula all cut, relying on the growth of granulation tissue to make the wound healing method, usually does not appear after the operation of serious anal incontinence. (2) Hanging thread therapy: for 3-5cm from the anus, there are internal and external openings of low or high simple anal fistula, this method is simple to operate, less bleeding, less painful to change the medicine. (3) anal fistula resection: for low simple anal fistula or high anal fistula in the lower part of the fistula maturity, or sphincter lateral. (4) For complex anal fistula with fistula life is also a way of life, need to be regularly reviewed to monitor changes in the condition. Diagnosed as anal fistula should be examined in a regular hospital, under the guidance of a professional doctor to choose the appropriate treatment, so as not to delay the condition.