Patients suffering from cervical spondylosis who experience vertigo and have blurred vision may be caused by the following aspects: 1. Insufficient blood supply to the brain, commonly caused by the presence of vertebral artery type cervical spondylosis in patients, which leads to compression and stimulation of the vertebral artery, resulting in insufficient blood supply to the posterior circulation of the brain, and patients will experience blackness and blurred vision, vertigo, and even the risk of syncope; 2. stimulated, sympathetic cervical spondylosis attacks will not only cause eye distension and blurred vision, but also produce vertigo in the head; 3. It may be that the patient’s cervical spondylosis causes the attack of the original cardiovascular disease at the same time, for example, the stimulation of cervical spondylosis causes the patient’s hypertension, cerebral infarction and other diseases to aggravate, which will also produce similar symptoms as mentioned above.