After hemorrhoid surgery, if the patient’s pain symptoms are mild, the sensitivity of the long-acting analgesic injection is good to have some pain relief; pain symptoms are heavier, the sensitivity of the long-acting analgesic injection is poor, then the pain relief effect is not good. Hemorrhoid surgery due to the human anal region of the nerve-rich, sensitive to pain, and thus surgical trauma and inflammation and so on can make part of the tissue injury and cause pain. If the patient’s pain symptoms are mild, the sensitivity to long-acting analgesic injection is good, generally can play a certain role in pain relief, so that the patient’s postoperative pain is reduced. If the patient’s pain symptoms are more severe and the sensitivity to the pain injection is poor, the long-acting pain injection will not be effective. Generally for pain-sensitive people, you can use pain pump pain relief after surgery, pain relief effect is obvious, can be very good to relieve the patient’s pain. If the patient after hemorrhoid surgery, the need for long-acting pain injection, you can consult the relevant doctor, in the doctor’s judgment to choose the appropriate way of pain relief.