The Pain Clinic is a special hospital department designed to treat pain conditions that appear to have an unknown cause or are difficult to treat in other clinics. What kind of pain can be treated in this clinic? 1.Headache: cervicogenic headache, migraine, post-traumatic headache and various intractable headaches. 2.Neuralgia: trigeminal neuralgia, brachial plexus neuralgia, intercostal neuralgia, sciatica, acute herpes zoster, post-herpetic pain, pain after nerve injury, phantom limb pain, stump pain, diabetic neuralgia, complex local pain syndrome. 3.Cervical and lumbar spondylosis and osteoarthritis pain: cervical spondylosis, cervical disc herniation, costochondritis, lumbar disc herniation, coccygeal pain, knee arthritis, heel pain, temporomandibular joint dysfunction syndrome, degenerative osteoarthritis, gouty arthritis, pain syndrome after cervical and lumbar spine surgery. 4.Soft tissue pain: acute and chronic lumbar sprain, lumbar muscle strain, supraspinous interspinous ligamentitis, lumbar dorsal myofasciitis, fibromyalgia syndrome, tenosynovitis, frozen shoulder, tennis elbow, soft tissue injury. 5, visceral pain: intractable angina pectoris, myocardial infarction, chronic pelvic inflammatory disease, abdominal plexus pain. 6, ischemic pain: Raynaud’s disease, occlusive thrombotic vasculitis, thrombophlebitis, erythematous limb pain, reflex sympathetic dystrophy, etc. 7, cancer pain and pain caused by benign tumors: recurrence and metastatic pain after cancer surgery. 8, gynecological pain: dysmenorrhea, chronic pelvic pain, menopausal syndrome. 9, non-painful diseases: intractable eruption (diaphragm beating), acute facial neuritis (facial palsy), facial muscle spasm, sudden deafness, tendon sheath cyst, liver and kidney cysts. Neurodermatitis, sudden deafness, inner ear dizziness, gout, scar pain, facial muscle spasm, eyelid spasm. 10.Other: various chronic, complex and intractable pains with difficult etiological diagnosis.