Insufficient blood supply in the elderly requires determining which system and which organ is experiencing insufficient blood supply. Generally the most common are cerebral blood supply insufficiency and myocardial blood supply insufficiency. Cerebral blood supply insufficiency is most common in cerebral infarction, transient ischemic attack, the patient will have dizziness, lightheadedness, headache, and even fainting symptoms, need to take some dilation of cerebral blood vessels, improve cerebral circulation, blood circulation and blood stasis of the drugs, you can inhalation of oxygen, nimodipine, hemosiderophores, ginkgo biloba, tensin and other drugs treatment. Insufficient blood supply to the myocardium is most common in coronary heart disease, angina pectoris, and even acute infarction, you can give the patient some drugs to dilate coronary arteries, improve myocardial blood supply and oxygenation, such as nitroglycerin, haemosiderophoresis, fast-acting heart pills, etc., but you need to go to the hospital to do a comprehensive and detailed examination of the cause of the disease before you can use the drugs.