Dizziness is caused by high or low blood pressure. In addition to blood pressure, other causes can also cause dizziness, namely: first, high fever, when the upper respiratory tract infection appears high fever, patients will have dizziness, dizziness, headache. Second, Meniere’s syndrome, patients will have dizziness accompanied by tinnitus and hearing loss on one side, then the patient’s blood pressure is also normal at this time. Third, sleep disorders, patients with chronic sleep deprivation accompanied by anxiety and depression are also prone to dizziness, but the blood pressure may be normal. Fourthly, cerebellar infarction or cerebellar hemorrhage can also cause dizziness. Some patients with cerebral infarction or cerebral hemorrhage are not affected by hypertension, so dizziness can still occur if the blood pressure is normal.