Vertigo in the neurology clinic is a very common symptom, the condition can be light or heavy, the causes of vertigo are mainly the following aspects: 1, some elderly head of sudden vertigo may be due to the vertebral basilar artery circulation disorders caused by the main see cerebral blood supply, cerebral vasospasm tube. There is also a portion of patients with the presence of cerebral artery stenosis, cerebral arteriosclerosis, but also prone to cerebral infarction or cerebral hemorrhage disease, will lead to patients with severe vertigo. This situation is usually accompanied by symptoms of focal neurological deficits, such as limb activity inflexibility, unsteady walking, ataxia; 2, the patient’s head of sudden vertigo, may also be caused by peripheral vertigo disease, peripheral vertigo attack is more sudden, usually accompanied by tinnitus, hearing loss, nystagmus, clinically common disease is Meniere’s disease, as well as benign paroxysmal positional vertigo.