After the rubber band falls off after anal fistula surgery, patients should pay attention to regular medication changes, maintain perianal hygiene, adjust the diet structure and other aspects. 1. Regular medication: hanging rubber band is mainly to play the role of drainage and chronic cutting sphincter, when the rubber band off, the wound is not completely healed, therefore, it is recommended that the patient change the medication on a regular basis, so as not to avoid false healing of the wound, not conducive to the recovery. 2. Maintain perianal hygiene: Because anal fistula is a purulent infection, as well as the location of the special, attention should be paid to postoperative healing before the wound clean, keep clean, to prevent further infection, affecting the healing of the wound. 3. Adjust the dietary structure: postoperative anal fistula patients, avoid eating spicy, fried, deep-fried food, eat more celery, dragon fruit and other foods rich in fiber, to avoid constipation to stimulate the wound. Specifically, it is recommended that the patient postoperative regular review, improve the examination at the wound, in order to clarify the condition, follow the doctor’s instructions, in favor of the prognosis of recovery.