The surgery for anal fissure is painless, and there is usually no sensation during the surgery, because the surgery is handled under anesthesia. Early anal fissures do not require surgical treatment, and the symptoms will improve with local medication changes or good lifestyle habits. In the case of old anal fissures that reach the muscular layer, surgical treatment is required. No matter what aspect of treatment you choose, it is necessary to maintain good habits because anal fissures have the possibility of recurrence. The causes of anal fissures are mainly due to long-term constipation, long squatting toilets to increase abdominal pressure and other factors, avoiding these triggers will not cause recurrence of performance.