Inadequate blood supply in the elderly is mainly given to soften blood vessels and improve blood circulation, while controlling risk factors. Most patients with inadequate blood supply in the elderly have atherosclerosis, with hyperlipidemia, hypertension or diabetes. The main drugs used to treat atherosclerosis include those that improve blood circulation and soften blood vessels, commonly used drugs are Shuxin, Vibrulun, and also Cipro and vitamin E. Control of risk factors treatment mainly includes: patients with diabetes can be given oral metformin to lower sugar. Patients with high blood lipids are given simvastatin, resulvastatin and atorvastatin for lipid regulation. Patients with hypertension have aggressive blood pressure control with the main drugs being levamlodipine, amlodipine benzoate and valsartan and irbesartan. If the patient has hyperhomocysteinemia, aggressive control should also be given, mainly with vitamin B6, adenosine cobalamin and folic acid tablets. If the patient is obese, he should be instructed to exercise more and control his body weight.