1. Anemic elderly people who have dizziness, fatigue and pale face should go to the hospital for examination to see if they are anemic. If the elderly do not pay attention to nutrition and health care, they are prone to anemia. In addition, elderly patients with dyspepsia, peptic ulcer, gastrointestinal bleeding and chronic inflammatory diseases can all suffer from anemia. 2. High blood viscosity, hyperlipidemia, thrombocytosis, etc. can make blood viscosity high and blood flow slow, resulting in sufficient blood supply to the brain, causing symptoms such as fatigue, dizziness and fatigue. Among them, there are many reasons for hyperlipidemia, the most important one is the unreasonable diet structure. 3. Patients with cerebral arteriosclerosis feel dizzy, and often suffer from insomnia, tinnitus, emotional instability, forgetfulness and numbness of limbs. Cerebral arteriosclerosis makes the inner diameter of blood vessels smaller, the blood flow in the brain drops, resulting in insufficient blood supply and oxygen supply to the brain, which causes dizziness. 4. Cervical spondylosis often has neck tightness, limited flexibility, occasional pain, numbness of fingers, chills and a heavy feeling. Cervical vertebra hyperplasia squeezes the cervical vertebral artery, resulting in insufficient blood supply to the brain, which is the main cause of dizziness caused by the disease. 5. In addition to dizziness, patients with hypertension are often accompanied by discomfort such as head swelling, palpitation, irritability, tinnitus and insomnia. 6. Heart disease In the early stage of coronary heart disease, some people may feel headache, dizziness, weakness of limbs and difficulty in concentration. Mainly due to atherosclerosis in the coronary artery of the heart, resulting in insufficient blood supply and dizziness. The best solution to dizziness is prevention. Old people should have regular blood pressure, heart sound, heart rhythm, blood routine, blood lipid, blood viscosity, EEG, rheoencephalogram, neck X-ray, etc. to prevent problems before they happen.