Anal fistula is common in adults.
First: take less soft seats; That's easy to cause anal fistula.
Second: take part in sports more;
Third: don't sit still;
Fourth: eat more fruits and vegetables and eat less baked and fried;
Fifth: Zichuan decoction can be used to treat anal fistula, which is quite good.
If you can do the above five points, you will stay away from anal fistula.