Incontinence after anal fistula surgery is considered to be caused by damage to the anal sphincter, generally can be recovered through general treatment, serious cases need to consult a doctor. If the anal fistula surgery in the operation if the operation is not appropriate will damage the anal sphincter, if the degree of damage is light, such as damage to the internal sphincter or part of the external sphincter can be through the general treatment to promote the recovery, it is recommended to eat a light diet, drink a lot of water, avoid spicy and stimulating food, regular rest and relaxation, appropriate to do the anal exercise to promote the recovery of the symptoms. If the degree of injury is more serious, too much damage to the external anal sphincter, after general treatment and rehabilitation exercises can not improve the symptoms, there may be permanent anal incontinence, it is recommended to go to the hospital in time to receive further treatment, follow the doctor’s instructions.