The last point of anal fistula surgery incision healing is not necessarily slow, with each patient’s physical quality, incision depth, treatment and other circumstances. 1. Physical fitness: for patients with strong physical fitness, their own repair ability is relatively good, and the healing speed of the incision is relatively faster. If the physical quality is weak, it will affect the normal recovery, resulting in prolonged healing time. 2. The depth of the incision: If the incision is not too long or not too deep at the time of surgery, the last point, the healing speed of the incision will be relatively fast, the overall healing time is about 40 days. If the anal fistula is more serious, the incision from the outer mouth to the inner mouth is longer, which will increase the healing time. 3. Treatment: During the treatment, if the patient regularly change the drug, keep the postoperative wound clean and hygienic, the last point of the incision healed up relatively quickly. If the patient does not regularly clean and change the medication in the last time, it may affect the healing effect, or there is the phenomenon of false healing. After the anal fistula surgery, we should strictly follow the doctor’s instructions to carry out the appropriate care and conditioning treatment, if there is an abnormal reaction during the period, timely medical treatment to take active treatment measures.