The elimination of pain after anesthesia is based on the severity of pain and the choice of different methods: 1, if the pain is mild after anesthesia, it can be left untreated, and the pain will improve after a while, for example, lipoma surgery is usually performed with local anesthesia, and the incision will be faintly painful after anesthesia, so there is no need to deal with it. 2, if the pain is severe after anesthesia, and the patient can hardly tolerate it, an analgesic pump can be used. Inject anesthetic into the patient continuously to achieve the pain relief effect. The analgesic pump is generally used for 24 hours after surgery, the use of time should not be too long, postoperative pain can also use painkillers plug anal to relieve pain, commonly used drugs are diclofenac sodium suppositories.