Cancer pain should be treated with the principle of comprehensive treatment, according to the patient’s condition and physical status, effective application of analgesic treatment, sustainable and effective elimination of pain, prevention and control of adverse drug reactions, and reduction of pain and the psychological burden caused by treatment, with a view to maximizing the quality of life of patients. Five basic principles 1.Oral administration: preferred; transdermal; subcutaneous; PCA. 2.Dosing by step: NSAID ceiling effect. 3, on-time dosing: immediate; extended release; Doregis. 4.Individualized dosing: adequate dose, neuropathic pain. 5.Pay attention to specific details: monitoring, adjustment, reasonable program. Interventional treatment of cancer pain is the best trick of anesthesiologists. Interventional treatment of cancer pain refers to interventions such as nerve block, nerve release, percutaneous vertebroplasty, nerve-destroying surgery, nerve stimulation therapy, radiofrequency ablation. Epidural, intradural and plexus block routes of drug administration can effectively control cancer pain by single nerve block, reduce the gastrointestinal reaction to opioids and lower the dose of opioids. The expected survival time and physical condition of patients, the existence of indications for antitumor therapy, and the potential benefits and risks of interventional therapy should be comprehensively evaluated before interventional therapy. Intralesional drug infusion system The picture below shows Director Jin Xiaohong placing the intralesional drug infusion system for the treatment of advanced cancer pain. CT-guided peritoneal plexus puncture and destruction