An anal fistula cure may be because the symptoms are too mild or an illusion, the vast majority of anal fistulas, will not heal on their own. Anal fistula is anal tube or rectum and the skin around the anus is a pathologic tube, is an infectious disease, generally very difficult to cure, once diagnosed should be early surgical treatment. If the anal fistula healed after one year, it may be due to its own short time, the symptoms are too mild, failed to fibrosis formation of the pipe, healed by itself; or it may be an illusion, the inner mouth closure leads to repeated swelling and pain and pus symptoms disappeared, but the middle of the pipe is still real, so it still needs to be surgical, to achieve the cure of the situation. The vast majority of anal fistula due to the person every day to urinate, defecate and intestinal bacteria and the presence of infection sources, not in a clean environment, so it is generally difficult to heal on their own, seriously affecting the quality of normal life, so once you find a fistula, you need to go to the hospital as soon as possible for consultation, and according to the doctor’s instructions for surgical treatment.