Dizziness may be caused by physiological factors such as overwork and lack of sleep, or it may be caused by high blood pressure, cerebral arteriosclerosis and other diseases. 1. Physiological factors: usually patients usually live an irregular life, often stay up late, resulting in patients with sleep deprivation or overwork, may appear with the symptoms of dizziness, a normal physiological phenomenon. 2. Hypertension: the cause of the disease is still unclear, mostly considered with high sodium and low potassium diet, excessive alcohol consumption, obesity, long-term stress and other factors, if secondary hypertension, there may also be kidney disease, cardiovascular lesions, endocrine diseases. Patients often have head swelling and pain, paroxysmal dizziness, numbness of the limbs and other symptoms, which can also appear in the phenomenon of dizziness when using the brain. Some patients may also have heart rate disorder, palpitation and tinnitus. 3. Cerebral arteriosclerosis: the pathogenesis is more complex, and hypertension, diabetes mellitus, hyperlipidemia and other diseases are closely related to smoking, obesity, diet, mental and other factors, can also be induced by cerebral arteriosclerosis. Generally, the onset of patients is slow, but progressive aggravation, if there is an ischemic stroke, there can be dizziness, visual impairment and other symptoms, can also be manifested as dizziness with the brain. It is recommended that patients with symptoms of dizziness when using the brain should consult a doctor in time to clarify the cause, and if it is caused by diseases, reasonable targeted treatment should be carried out.