Cervical spondylosis is generally caused by cervical degeneration, chronic strain or congenital factors. 1. Degenerative changes of the cervical spine: long-term overloading of the cervical spine or changes in the structure and function of the cervical spine with age. 2. Chronic strain: due to the long time low head work or often play cell phone, may cause strain of muscle tissue around the cervical spine, pillow is too high may also cause cervical spine ligaments, muscles, articular synovial joints balance imbalance, aggravate the degenerative process. 3. Congenital factors: there may be congenital developmental abnormalities of the cervical spine, these factors may also cause osteophytes, disc degeneration, cervical spine instability compression of the dural sac, nerves, spinal cord, neck and shoulder pain, numbness of the upper limbs, lower limbs, weakness, a sense of heaviness, and easy to fall and a series of symptoms. Occurrence of neck discomfort need to go to the hospital in time for further examination and further treatment after a clear diagnosis.