The exact duration of hospitalization for anal fissure surgery is related to the individual’s condition, and usually takes about five to ten days. After anal fissure surgery, because the physical condition of each patient is different, the recovery time after surgery is also different, if the patient’s condition is more serious, the recovery time is longer, it will take about ten days to be discharged from the hospital, if the patient’s condition is more mild, the recovery time is shorter, it will take about five days to be discharged from the hospital. Patients should pay attention to a light diet after the operation, do not eat too spicy, greasy food, to maintain a smooth bowel movement, and at the same time pay attention to rest, preferably take the lying position to rest, to a certain extent, can effectively reduce the abdominal pressure and tension, to avoid post-surgery edema of the skin edge. In addition, oral erythromycin, erythromycin or clarithromycin can also be taken under the guidance of a professional doctor for relief, so as to avoid wound infection. Patients are advised to go to the hospital for regular checkups, and if there is any abnormality, they should seek medical treatment in time to avoid affecting the normal postoperative healing.