The main causes of dizziness in the elderly are considered to be the following: First, because of chronic cerebral insufficiency of blood supply and functional brain disorders caused by cerebral atherosclerosis, the patient is dizzy, light-headed, light-headed and has a shaking sensation in the brain. The second aspect is that elderly people who are always dizzy should also be considered to be caused by heart diseases. If there are arrhythmias and cardiac insufficiency, which can affect the ejection of blood from the heart and cause insufficient perfusion of tissues throughout the body, patients will also have dizziness and weakness. The third aspect is that frequent dizziness in the elderly may also be caused by anemia or hypertension, which should be clarified by blood analysis and blood pressure measurement.