Anal fistula is a disease that is more likely to recur, not that it recurs in its original location, but that the remaining anal sinuses are prone to infection and attacks of anal fistula. You have been discharged from the hospital after fistula surgery and tighten the line once, you can do daily activities, shopping, cooking and so on, but avoid strenuous activities, running and jumping, climbing, playing ball and so on, and do not do local exercise, and need to do a good job of local cleaning, pay attention to diet, keep bowel movements smooth, keep the stool soft and shaped. Generally speaking, tightening the line once or twice is sufficient, and in situ recurrence is almost impossible, while other points may be recurring anal fistula.