The normal physiological curvature of the cervical spine is mildly convex, but when the neck is flexed for a long time, such as long-term use of cell phones and computers, it can lead to ligament strain and relaxation at the back of the neck, resulting in a straightening of the cervical curvature, or even a cervical spine reversion. The symptoms caused by cervical spine curvature straightening or antalgia include: 1.Increase the work span of neck and shoulder muscles, easily fatigue, and frequent neck and shoulder muscle pain. 2.Affecting the vertebral arteries on both sides of the neck, resulting in dizziness due to insufficient blood supply to the brain. 3.Superimposed with the cervical disc herniation which is not large itself, it leads to nerve compression, resulting in radiating pain and numbness in the upper limbs, and even weakness in the lower limbs stepping on cotton feeling symptoms. Once the cervical curvature is found to be straightened or reversed Zhang, it is necessary to perform occipital jaw belt cervical traction treatment as soon as possible, traction can help restore the cervical small joint disorder, and on the basis of cervical traction, gradually strengthen the backward neck as much as possible at ordinary times to correct it. The cervical spine curvature straightening or reversion is the result of long-term gradual strain, the above method correction also needs time, there are clinical cases through 8 months to successfully restore the normal physiological curvature of the cervical spine.