1, hyperlipidemia Slow blood flow, insufficient blood supply to the brain, easy fatigue, dizziness, weakness and other symptoms occur. The most important thing is the unreasonable structure of plain diet, the patient eats a lot of high-fat and cholesterol food, and does not like to exercise. 2, anemia Elderly people who have dizziness, weakness and pale face should go to the hospital for examination to see if they are anemic. 3, hypertension In addition to dizziness, hypertensive patients are often accompanied by discomfort such as head swelling, panic, irritability, tinnitus and insomnia. 4.Cervical spondylosis Often the neck is tight, flexibility is limited, there is occasional pain, numbness and coldness of the fingers, and there is a feeling of heaviness. Cervical spine hyperplasia squeezes the vertebral artery in the neck, causing insufficient blood supply to the brain, which is the main cause of dizziness in this disease. 5, heart disease Early stage of coronary heart disease, the symptoms are still light, someone may not have chest tightness, palpitations, shortness of breath and other significant discomfort, only feel headache, dizziness, weakness of the limbs, mental concentration is not easy, tinnitus or forgetfulness, etc.. The main reason for dizziness at this time is atherosclerosis of the coronary arteries of the heart, which makes the lumen thinner and narrower, causing ischemia and lack of oxygen to the heart. And insufficient blood supply to the heart can cause insufficient blood supply and cause dizziness.