Pain is not just a symptom, but in many cases pain itself is a disease. For example, trigeminal neuralgia, post-herpetic neuralgia, etc. If you cure the pain, the disease will be cured. So which pains should be seen by a pain specialist? 1, the cause and the department attributed to the pain is not clear such as chronic general pain, headache, chest and back pain, abdominal pain, spinal limb pain, etc., although after a number of hospitals and departments for a long time repeated careful examination, but also did not find the cause of the pain match, then you should go to see the pain department. 2. Pain that is clearly attributed to the department, but for which there is no special treatment, such as postherpetic neuralgia, post-amputation residual limb pain, chronic intractable postoperative pain syndrome after various surgical operations, etc. At this time, the nature and degree of pain have long exceeded the scope of treatment of the original department, and these pains need to go to the pain department for treatment. 3. Neck, shoulder, lumbar and leg pain without surgical indications Some patients with cervical spondylosis, spinal stenosis, lumbar disc herniation without surgical indications and patients with frozen shoulder, osteoarthritis, myofascial syndrome and osteoporosis who usually do not need surgery have persistent chronic pain and are suitable for treatment in the pain department. In addition, some painful diseases, despite the indications for surgery, patients are unwilling to undergo surgery, or the postoperative effect is not significant, or the pain recurs after surgery, etc., should also receive comprehensive treatment of pain specialists. 4.Cancer pain At the same time of anti-cancer treatment or afterwards, pain can be treated with special analgesic measures in pain department. Such as nerve block, nerve destruction and other minimally invasive neurointervention techniques. Perfect pain treatment can not only improve the quality of life and survival of cancer patients, but also prolong their lives to a certain extent. 5.Neurogenic pain Such as central pain, complex regional syndrome, trigeminal neuralgia, glossopharyngeal neuralgia, occipital neuralgia, intercostal neuralgia, diabetic peripheral neuritis, etc. This kind of pain is basically ineffective in conventional treatment, and often requires specialized techniques of pain department, such as minimally invasive neurointerventional analgesia, spinal cord electrical stimulation, central target-controlled analgesia, etc. 6, certain chronic non septic arthritis caused by pain such as rheumatoid arthritis, ankylosing spondylitis, gout, etc. 7.Pain caused by spasm and embolism of blood vessels and ducts Such as severe pain caused by Raynaud’s disease, angina pectoris, bile duct stones, ureteral stones, etc. The treatment of pain department can effectively relieve pain and sometimes play a synergistic role in treating diseases.