Neurogenic cervical spondylosis is severe with paroxysmal severe pain, distributed along the nerve roots to the lateral side of the forearm and electrocution-like pain in the fingers. 1, pathogenesis Protrusion or prolapse of the nucleus pulposus, osteophytes or traumatic arthritis of the posterior small joints, bone spur formation of the hook vertebral joint, and loosening and displacement of the three adjacent joints (intervertebral joint, hook vertebral joint and posterior small joint) can cause irritation and compression of the spinal nerve roots. In addition, narrowing of the root canal, adhesive arachnoiditis in the root cuff, and inflammation and tumors in the peripheral area can also cause symptoms similar to this disease. The pathogenesis of the disease is complicated by a number of factors and pathological changes, so the symptoms and clinical signs vary depending on the location and degree of spinal nerve root involvement. If the anterior root is predominantly compressed, muscle strength changes (including decreased muscle tone and muscle atrophy) are more obvious; if the posterior root is predominantly compressed, the symptoms of sensory impairment are more severe. However, in clinical practice, the two mostly coexist, mainly because, in the narrow root canal, a variety of tissues are densely packed together, and it is difficult for everyone to have room for retraction. Therefore, when the anterior side of the spinal nerve root is compressed, the posterior side of the root canal is also compressed at the same time. The mechanism for this is due not only to the hedging effect of the force, but also to the local vascular stasis and congestion under pressure, both of which are affected by each other. Therefore, sensory and motor dysfunctions are mostly present simultaneously. However, the sensory nerve fibers are more sensitive, so the symptoms of sensory abnormalities are manifested earlier. There are three mechanisms by which this type of cervical spondylosis causes various clinical symptoms. The first is the direct compression and pulling of the spinal nerve roots by various pressure-causing substances and the local secondary reactive edema, which manifests as radicular symptoms; the second is the manifestation of cervical symptoms through the terminal branches of the sinus vertebral nerve in the dural sac wall at the root cuff; the third is the imbalance of the internal and external balance of the cervical spine on the basis of the first two, resulting in the involvement of the ligaments, muscles and joint capsule of the vertebral joint and other tissues to produce symptoms (e.g., the affected vertebral joint The localized and interdependent long cervical muscles, anterior oblique muscles and sternocleidomastoid muscles are all involved in the entire pathological process).