When dizziness is caused by insufficient blood supply to blood vessels, treatment can be given to improve blood circulation. Commonly used drugs include Danshen, Safflower, Panax notoginseng and Ginkgo biloba preparations. Cipro and vitamin E, blood-supporting and brain-clearing granules can also be applied, in addition to sparing blood flow, Vibramer and Chuanxiongzine. Insufficient blood supply can occur in young people as well as in middle-aged and elderly people. In the case of middle-aged and elderly people, most of them are caused by atherosclerosis, and patients usually have a history of hyperlipidemia and diabetes. If blood lipids and blood glucose are elevated, they should be actively regulated. The commonly used lipid-lowering drugs are mainly simvastatin, resulvastatin and atorvastatin. Metformin is generally preferred for lowering blood glucose, and subcutaneous insulin can also be injected for glucose-lowering treatment if necessary. If blood pressure is too low and severe hypovolemia, it may also cause deceased blood deficiency, and in the case of hypotension, oral raw blood drink can be taken. If hypovolemia is mostly caused by massive diarrhea, massive vomiting, and massive sweating, which usually occurs in middle-aged and elderly people, intravenous infusion of 706 plasma substitute can be given to expand the volume of blood if necessary.