Anesthesia is required for hemorrhoid surgery, and specific anesthesia methods include local anesthesia, intralesional anesthesia and general anesthesia. 1. Local anesthesia: commonly used for sclerotherapy, which is applicable to the internal hemorrhoid portion of milder internal hemorrhoids and mixed hemorrhoids. Due to the simple injection, the trauma is small and the pain level is low, so the pain relief effect is more ideal. 2. Intravertebral anesthesia: a common procedure for hemorrhoid surgery. It is suitable for ring mixed hemorrhoids, thrombosed external hemorrhoids and other more serious hemorrhoids. Due to the greater trauma, can be fully under the effect of anesthesia dilation, treatment of hemorrhoids. 3. General anesthesia: mainly for local anesthesia or intrathecal anesthesia is not applicable to the situation, such as infants and young children, lumbar disc herniation disease patients. In short, hemorrhoid surgery requires anesthesia, anesthesia with the patient’s condition, personal constitution.