Dizziness is one of the better and more common clinical symptoms of cervical spondylosis, and patients mainly present with sudden episodes of dizziness. The typical symptom is sudden dizziness when the head is turned to a certain position, and serious patients may experience spinning and even fainting. This can cause great inconvenience to our normal life, so it is important to understand why cervical spondylosis causes dizziness and to choose the right method for treatment. The causes of dizziness caused by cervical spondylosis are mainly caused by subluxation of the atlantoaxial joint: 1. Because cervical spondylosis involves the neck muscles, it causes lasting spasm and contraction of the neck muscles, resulting in impaired blood circulation in the muscles, which can free inflammatory pathogenic substances such as lactic acid and 5-hydroxytryptamine and cause dizziness. The causes of dizziness in cervical spondylosis also include lesion stimulation, compression or injury to the first, second and third pairs of cervical nerves, especially in the occipital region, and also pain radiating to the head through the reflex action of the medulla oblongata or the trigeminal nucleus of the spinal cord. 3. In patients with vertebral artery type cervical spondylosis, the lesion directly involves the vertebral artery, resulting in dizziness due to insufficient blood supply to the vertebrobasilar system. 4.Cervical spondylosis directly irritates, compresses or pulls headache-sensitive tissues in the head and causes dizziness. 5. The lesion may stimulate or compress the sympathetic plexus around the vertebral artery or other sympathetic nerves in the neck, causing dizziness due to impaired diastole of the vertebrobasilar system or the intracranial and external arteries. It is recommended that people with dizziness and headache try not to lie down to watch cell phone computer, TV’s, at the same time, do not look at the cell phone computer when sitting in the car.