Cervical spondylosis is generally classified into several types such as cervical, radicular, spinal, vertebral artery, esophageal, and mixed types. Most of the cervical spondylosis encountered in clinical practice is cervical cervical spondylosis. It is often caused by bad habits such as prolonged prostration, low head work, playing mahjong, playing computer, reading cell phone, lying in bed and watching TV. MRI of cervical spine generally does not show spinal cord or nerve compression. By changing these bad habits, the symptoms can be relieved soon. Neurogenic cervical spondylosis is caused by the compression of nerve root on one side by bone flab or intervertebral disc. It manifests as pain and numbness in the stripes of one upper limb and weakness of some muscles. MRI of the cervical spine often reveals that the cervical intervertebral disc protrudes to one side and presses the nerve root of the corresponding segment. Early relief can be obtained by traction and medication, etc. If conservative treatment is ineffective, surgery can be considered with satisfactory surgical results. Spinal cord type cervical spondylosis is caused by the compression of the spinal cord by bone flab or intervertebral disc tissue, often with numbness and weakness of the limbs, unstable walking and a feeling of constriction in the chest. MRI of cervical spine shows spinal cord compression and spinal canal stenosis. Once the diagnosis is clear, surgery is often required. Because long-term compression of the spinal cord can lead to ischemic necrosis, resulting in permanent dysfunction. Cervical spondylosis is most contraindicated by prolonged head down, bedside TV watching, high pillow, etc. Long-term cervical flexion causes the normal physiological curvature of the cervical spine to disappear, and the cervical spine becomes straight or even retroflexed, which changes the normal biomechanical characteristics of the cervical spine, making the cervical muscles easily strained and the intervertebral discs easily protruded, and easily causing osteophytes and compression of the nerves and spinal cord. Spinal cord cervical spondylosis should avoid strenuous activities of the neck. Strenuous activities of the cervical spine may cause damage to the ligaments of the neck and accelerate the formation of bone superfluous, thus aggravating the condition. Spinal cord cervical spondylosis is most afraid of head and neck trauma. In particular, a sharp backward tilt of the head after a forehead collision is likely to cause cervical spine hyperextension injury. When excessive tilting back, the volume of the spinal canal becomes smaller, causing injury to the spinal cord therein. Severe cases can cause paraplegia. Huang, who lives in Xiangshan Shipu, just turned 50 years old, usually likes to drink a little wine for dinner. The other night, he drank half a kilogram of yellow wine and went to bed, and when he went to the bathroom after watching TV, he suddenly felt faint, his limbs were weak, his body fell forward, his chin hit the toilet, and he didn’t come in for a long time. When the family found to wake him up, he could not move his limbs and did not feel. Hastily sent to the local hospital, the doctor recommended sending to a higher hospital, then came to our hospital. After examination, Mr. Huang was a cervical hyperextension injury with the presence of cervical spinal stenosis underlying. However, Mr. Huang usually did not have discomfort such as numbness and weakness of the limbs. This indicates that the compensatory capacity of the organism is large, but if it is already in a critical position when combined with minor trauma, it may cause serious consequences. Mr. Huang was lucky that the doctor performed a posterior cervical hemi-open decompression, and the operation was very successful. After the operation, he was treated with hyperbaric oxygen, acupuncture and nerve nutrition, and his family took care of him with full care. 3 months later, Mr. Huang’s limb sensation and muscle strength recovered significantly, and it has been more than a year since then, but he still has a significant limp when walking, and the sensation in his lower limbs has not completely returned to normal. A repeat cervical MRI showed adequate decompression of the cervical spine, but the cervical spinal cord has an injury cavity formation, and it is estimated that it is difficult to further recover. Yinjiang town of Bao Lao Han is not so lucky. He was squatting and tying his shoes when he was hit by a minivan backing up behind him, landing on his head and face, causing a nasal fracture, cervical spine injury, and immediate loss of sensory and motor function of his limbs. He was admitted to our hospital and was found to have ossification of the posterior longitudinal ligament of the cervical spine and extreme stenosis of the spinal canal. The normal cervical spinal canal diameter is >13mm and <10mm can be diagnosed as cervical spinal canal stenosis, but Bao's cervical spinal canal is only 5mm, and he usually had numbness and discomfort in both hands, but he never went to the hospital for treatment. He had no strength to even cough after the injury (the intercostal muscles were also paralyzed). The doctor also did a posterior cervical half-open decompression for him. The surgery was perfect and the spinal canal was enlarged a lot, but it did not help. After most of the year, although his mind was clear, he still had no strength in his limbs, let alone getting out of bed and walking. Therefore, for spinal cord cervical spondylosis, once a clear diagnosis is made, surgery should be performed as soon as possible. Otherwise, when paraplegia occurs and then surgery is performed, the effect is difficult to guarantee and it is too late to regret.