The common anesthesia used for hemorrhoid surgery are lumbar anesthesia, local anesthesia, and general anesthesia. The first one, the most clinically used nowadays is lumbar anesthesia, where anesthetic is injected in the waist to reach the plane below the waist without painful sensation. Patients may suffer from urinary retention after surgery, which is also a complication of lumbar anesthesia. The second, commonly used is local anesthesia, local anesthesia compared to lumbar anesthesia, on the local injection of anesthetic around the anus, the amount of injected anesthetic is relatively small, local anesthesia is also relatively cheap, but the effect is not as good as the effect of lumbar anesthesia, the patient will have some pain or pulling sensation during the operation. The third, the application of less is general anesthesia, for some patients who are more nervous, will use general anesthesia to do this hemorrhoid surgery.