Anal fistula surgery inside the mouth generally do not need stitches. Anal fistula surgery is not the same as other surgeries, the need to operate from the fistula in the surgical process, the postoperative wound generally do not need stitches, can drain through, prompting the discharge of pus, to achieve the purpose of healing; however, if the surgery will be stitched up the wound, the pus inside can not be discharged normally, it will be counterproductive, easy to cause secondary infection, not conducive to healing. If the current has done anal fistula surgery, in order to prevent the wound infection inflammation, need to pay attention to perianal hygiene, and adhere to the use of warm water to clean the wound, and then disinfection and change the medicine, in order to prevent infection. At the same time to adjust to a good life, dietary habits, avoid spicy stimulating food, not fully recovered before the prohibition of strenuous exercise, to avoid pulling, friction, can pull to the trauma affect the recovery. It is recommended that after the anal fistula surgery, good wound care and dressing, regular hospital review, and according to the recovery situation appropriate adjustment of the treatment program, follow the doctor’s instructions.