Cervical disc herniation is the protrusion of the nucleus pulposus or part of the cartilaginous disk of the cervical intervertebral disc into the spinal canal, which, depending on the location of the herniation, can be categorized as lateral, paracentral, or central, causing irritation and compression of the nerve root or spinal cord. As the most common is the disc of cervical 5-6 or cervical 6-7 at the same time both herniate outward posteriorly, thus producing symptoms of brachial nerve root involvement on that side. A common cause is a sudden sprain or weight bearing on the neck. This disease is most common in young adults, the main manifestation is acute or subacute appearance of the neck, shoulder and low back pain, radiating to one side of the upper limbs. There are many ways to prevent cervical spondylosis, mainly including the usual correct posture, avoid prolonged head down when ambulating, avoid long-term head down to look at the cell phone; long-term office work personnel, every 40-60 minutes to stand up and do tilt the head cervical spine exercise; usually regular swimming, playing badminton, kite flying, as much as possible to do more lifting action. The most crucial thing is to download the standard cervical spine exercises from the Internet or science articles, and it takes about 10 minutes to do a set of cervical spine exercises, which can effectively prevent the occurrence of cervical spondylosis.