Vertebral artery cervical spondylosis is a series of symptoms caused by insufficient blood supply due to compression or irritation of the vertebral artery. 1.Vertigo: It is the most common and almost every patient has vertigo of varying severity, accompanied by diplopia, nystagmus, tinnitus, deafness, nausea and vomiting. During the attack, patients feel light-headed and unstable, as if they and the surrounding scenery are rotating in a certain direction; some patients also feel that they and the ground are moving, tilting and swaying. Vertigo or dizziness often occurs when the head is moved, such as when the head is tilted upward, when the head is suddenly turned or when the head is repeatedly turned from side to side, and in serious cases, fainting or coma may occur. Some patients can only turn their heads to one side, and turning their heads to the opposite side can easily lead to an attack, and turning to the opposite side again can reduce the symptoms; some patients complain of an attack when they look at the blackboard while taking notes with their heads down. In short, the activity of the head and neck and the change of posture induce or aggravate the vertigo is an important feature of this disease. 2. Sudden collapse: It is a symptom unique to this type. Some of them occur when the vertigo is intense or when the neck is active. Patients may suddenly feel numbness and weakness of limbs and fall down, but they are clear-minded and can get up by themselves. This symptom is associated with sudden head movement or posture change. Some people think it is due to ischemia of the medulla oblongata, while others think it is due to sudden ischemia at the intersection of vertebral bodies. 3.Headache: It is a kind of vascular headache caused by vasodilatation of the collateral circulation due to insufficient blood supply of the solid vertebral basilar artery, which occurs in episodes and lasts for several minutes or hours, or even days. The pain is persistent and tends to appear or worsen in the morning, during head movement, or during bumpy rides in a car. The headache is mostly located in the occipital region, top of the occipital region or temporal region, with throbbing pain (pulsating pain), burning pain or swelling pain, which may radiate to the back of the ear, face, teeth, top of the occipital region, and even to the orbital region and the root of the nose. During the attack, there may be nausea, vomiting, sweating, salivation, panic, breath-holding, and blood pressure changes and other symptoms of autonomic dysfunction. In individual cases, there is pain, numbness, tingling or foreign body sensation in the face, hard palate, tongue and pharynx during the attack. Therefore, it is similar to the performance of migraine, and some people call it cervical migraine. 4.Ocular symptoms: such as visual fog, flash in front of the eyes, dark spots, transient black haze, temporary visual field loss, vision loss, diplopia, phantom vision and blindness, etc. These ocular symptoms are mainly caused by ischemia of the posterior cerebral artery. Visual impairment is mainly caused by ischemia in the visual center of the occipital lobe of the brain, so it can be called cortical visual impairment. Ischemia of the 3rd, 4th and 6th cerebral nuclei and medial longitudinal capsule can cause diplopia. 5, medullary paralysis and other neurological symptoms: such as slurred speech, swallowing disorder, loss of gag reflex, choking, soft palate paralysis, hoarseness, tongue extension disorder, oculofacial muscle twitching and facial nerve paralysis. 6, sensory disorders: there may be facial, perioral, tongue, limbs or hemiplegia numbness, some accompanied by pins and needles, ankylosis, some may have deep sensory disorders.