Cervical spondylosis is caused by degenerative changes in the cervical spine. There are several types of cervical spondylosis, and the hazards arising from different types are different, in general, there are the following aspects. It can cause pain and soreness and discomfort in the head and neck, which can make people feel uncomfortable and lead to clinical symptoms such as anxiety and depression in patients, and poor concentration, affecting work and life, etc. Cervical spondylosis can cause numbness of the limbs, muscle atrophy, and frozen shoulder due to compression of the brachial plexus nerve. Severe cervical spondylosis can also cause walking weakness due to spinal cord compression, and even symptoms similar to paraplegia, such as possible abnormal bowel movements, etc. Cervical spondylosis can also cause elevated blood pressure, cervical hypertension, and symptoms similar to myocardial ischemia (cervicocardial syndrome), such as panic and chest tightness, and symptoms of digestive system dysfunction, such as difficulty in swallowing, dry vomiting, abdominal distension and abdominal pain, and poor digestive function; some may also have respiratory system symptoms, such as asthma. Cervical spondylosis can cause tinnitus, which can lead to deafness in severe cases. Cervical spondylosis can cause vertigo and even sudden collapse attacks. Cervical spondylosis can affect vision and cause blurred vision and vision loss. Therefore, for people with cervical spondylosis, it is important to pay attention to avoid factors that can cause cervical spondylosis and actively treat cervical spondylosis.