The main reason for loose stool incontinence after anal fistula surgery is damage to the anal sphincter muscle caused by the surgery. In anal fistula surgery, due to various reasons, it is particularly easy to cause anal sphincter damage, or rectal ring and anal sphincter dysfunction, not tightly closed, resulting in the inability to control the bowel on their own. If the postoperative incontinence is not serious, you can choose to take a warm water bath and exercise the anal sphincter for recovery training. If the situation is serious, the anal sphincter should be repaired through surgery as soon as possible to restore the normal structure of the anorectal ring. After anal fistula surgery dilute incontinence must pay attention to, go to the hospital in time, clear the situation, and then according to the situation in the professional doctor’s guidance to choose the appropriate treatment, follow the doctor’s instructions to perform.