Treatment of chronic pain 1.Oral medication. 2.Nerve block and closure. 3.Chinese medicine (tonics, poultices, acupuncture, massage, acupuncture point injection, Zhi Chuan injection, acupuncture treatment). 4.Physiotherapy (hot and cold water, sound and light electromagnetic). 5.Psychotherapy, behavioral movement therapy. 6.Destructive nerve block, acupuncture treatment. 7.Surgery: specialist surgery and neurosurgery. Chronic pain treatment principles 1, first diagnosis and then treatment (primary secondary) (acute and chronic); 2, first secondary and then primary (primary secondary); 3, first Chinese medicine and then Western medicine (functional organic) (acute and chronic), if necessary, a combination of Chinese and Western; 4, first oral and then interventional (terminal type root stem type); 5, first interventional and then surgical (neurological central) pain treatment techniques. At present, the pain treatment techniques include 1) nerve block techniques in various areas; 2) peripheral nerve and stellate ganglion puncture and placement under nerve stimulator positioning; 3) peripheral nerve block and placement under ultrasound guidance; 4) various minimally invasive treatments under CT guidance; 5) targeted anterior epidural space placement under C-arm for chronic neck, shoulder and back pain; 6) central analgesic drug infusion system implantation for advanced cancer pain 7. spinal cord electrical stimulation for treatment of intractable low back pain, post-operative lumbar spine pain, neuropathic pain, etc.