Cervical traction is the main treatment to relieve symptoms of cervical disease. Its effectiveness can relieve compression of nerves, blood vessels and spinal cord, and quickly relieve the symptoms of cervical spondylosis. In particular, cervical traction mainly relieves spasms of the neck muscles, relieves pain, increases disc space and intervertebral hole, promoting the protrusion of the pulpous nucleus and the reduction of ring tissue. Attenuation and relief of compression and irritation of nerve roots, promotes the absorption of edema of the nerve roots, compression of the vertebral artery, promotes blood circulation, promotes the proliferation of local congestion and decreases swelling, lax adhesions of the joint capsule, improves and restores hovertebral joints, adjusting the dislocation of the facet joint and spondylolisthesis, Adjustment and restoration of external balance damaged the cervical spine, restore the normal function of the cervical spine.