Generally speaking, as long as the elderly do not have blood vessel blockage and its symptoms, there is no need to use drugs and other deliberate dredging of blood vessels. However, you can prevent blood vessel blockage in your daily life through diet, exercise and so on, to ensure the smooth flow of blood vessels: First, diet to low-fat, low-calorie, low-salt-based. Appropriate single reduction in the amount of diet, avoid large fish, meat and other high heat and high fat food, more fresh vegetables, fruits and vegetables, staple food can eat more coarse grains and other high fiber content of food, more nuts and other rich dietary structure. Second, moderate exercise, exercise can provide sufficient vitality for blood circulation, to help maintain blood vessels open, for the prevention of arterial vascular sclerosis, reduce blood fat has a very good effect. Generally, the elderly can choose a slower pace of aerobic exercise, such as walking, tai chi, etc., not blindly pursuing the amount of exercise for activities of excessive intensity.