Cervical spondylosis is a general term for a series of clinical manifestations based on progressive cervical disc degeneration, followed by bone spur formation in adjacent vertebrae and soft tissue pathological changes, resulting in compression and/or impaired blood supply to the cervical spinal cord, nerves and blood vessels. Patients with cervical spondylosis may experience pain and numbness in the head, neck, shoulders and arms in mild cases, or weakness in the limbs and even urinary and fecal disorders and paralysis in severe cases. The criteria for cervical spondylosis are not entirely consistent at home and abroad, but both include the two most basic types, namely neurogenic cervical spondylosis and spinal cord cervical spondylosis. Neurogenic cervical spondylosis is caused by compression of the cervical spinal nerve roots by protruding cervical discs and hyperplastic bone spurs, resulting in corresponding symptoms, which manifest as numbness and pain in the shoulders and arms, and the scope is consistent with the innervation area of the affected cervical spinal nerves. Spinal cord type cervical spondylosis is caused by compression of the cervical spinal cord by protruding cervical intervertebral discs, proliferating bone spurs and the yellow ligament that folds into the spinal canal, manifesting as numbness of the limbs, unstable holding and walking, etc. In severe cases, urinary and fecal disorders may occur. The clinical manifestations of these two types of cervical spondylosis are typical and relatively easy to diagnose. The subtypes of cervical spondylosis also include cervical, vertebral artery, sympathetic and other types Cervical cervical spondylosis mainly manifests as local symptoms in the head, neck and shoulders, sometimes accompanied by fixed pressure points. Vertebral artery type cervical spondylosis is caused by insufficient blood supply to the brain after the involvement of the vertebral artery and manifests as vertigo, and sometimes sudden collapse occurs after rotating the neck. Sympathetic cervical spondylosis is caused by stimulation of the sympathetic nerves in the neck and has complex and atypical clinical manifestations, including dizziness, blurred vision, tinnitus, tingling of the hands, and tachycardia. Other types of cervical spondylosis are caused by compression of the esophagus by large bones at the anterior edge of the vertebral body, which mainly manifests as difficulty in swallowing. Compared with the neurogenic and spinal cord types, the clinical manifestations of these types of cervical spondylosis are less typical and the diagnosis is difficult. Cervical spondylosis can occur at any age, but it is more common in middle-aged and elderly people over 40 years old. It has a relatively insidious onset, a long course, and can leave neurological symptoms if not treated promptly. The pathological basis of the disease, cervical disc degeneration, is a long-term, slow process that does not happen in a day. Therefore, it is important to pay attention to the early prevention and treatment of cervical spondylosis. Only through early prevention, early detection and proper treatment can we have a healthy life. The diagram on the left shows the cervical spine. The cervical vertebrae are located in the center of the neck, with segmented vertebrae connected by intervertebral discs and ligaments, and the cervical spinal cord and nerves in the spinal canal. The right image is an MRI image of cervical spondylosis with spinal stenosis, spinal cord compression, and abnormal signals in the spinal cord can be seen. The patient presents with numbness and pain in the upper extremities and unsteadiness in walking, requiring surgery.