The Department of Pain is an emerging multidisciplinary specialty, which focuses on the advantages of clinical multidisciplinary consultation and mainly completes complex and difficult pain treatment, making the previous situation of “no place to see for pain or no one to see for intractable pain” radically improved. The main treatment is nerve injury, intractable neuralgia, post-surgical pain, arthralgia, advanced cancer pain, etc. Introduction of treatment technology 1. neurological function adjustment treatment: it is the main method of treating various nerve injuries. 2. nerve localizer and interventional nerve treatment (ozone treatment technology, pulsed radiofrequency treatment) technology to overcome intractable pain: 3. sympathetic ganglion treatment technology; 4. ultra-laser (far infrared) treatment and Chinese medicine fumigation treatment; 5. 5. microcurrent electrode (USA) treatment; 6. subcutaneous implantation pump technology