Whether or not to pull the anal fistula rubber band every day is not necessarily, need to be based on the specific circumstances of the postoperative period to decide, when the rubber band is slack need to tighten it in favor of anal fistula cutting. Hanging line treatment of anal fistula, the rubber band needs to be within two weeks through its chronic tightening effect of the sphincter muscle cut off, generally, three days or so the rubber band will be slack, then you need to tighten it, in favor of better completion of the cut. Patients should pay attention to maintain hygiene around the anus after the operation, you can take a sitz bath every day, and change the medicine regularly, for the loose rubber band to tighten appropriately. In addition, you also need to pay attention to eating habits, avoid spicy and stimulating food, keep bowel movement and regular. Whether the rubber band needs to be tightened, according to the needs of the condition can be carried out under the guidance of the doctor, the patient can not be operated by themselves, to avoid causing complications.