Dizziness and lightheadedness are considered to be caused by cerebrovascular disease, Meniere’s disease and otolithosis, which can be treated by medication, manipulation, reset and surgery. 1. Cerebrovascular disease: symptoms include dizziness, limb unfavorable, speech unfavorable, balance disorder, consciousness disorder. It is necessary to improve the brain CT, cranial magnetic cerebral clear diagnosis through medication, interventional therapy, if there is a history of other underlying diseases should be actively intervene in the treatment of underlying diseases. 2. Ménière’s disease: typical manifestations include dizziness, stuffiness in the ears, tinnitus and other symptoms. Dizziness is often a sensation of rotation of objects around oneself, and is reduced when the eyes are closed. The diagnosis can be confirmed by vestibular test and imaging examination. Hormones such as prednisolone with betahistine tablets are used. 3. Otolithiasis: also known as benign paroxysmal positional vertigo, associated with positional changes, can be accompanied by nausea, vomiting, can be performed manual otolith repositioning, oral betahistine and other drugs. Unexplained dizziness must be timely medical examination, clear cause, active treatment, so as not to delay the condition.