In recent years, along with the changes in the main factors affecting human health, such as environmental factors, behavioral and life factors, biological factors and medical and health services, the concern of human beings for their own health status has also changed, and people’s view of health has also changed from the previous “cure for illness” to “health care Health care, prevention before illness”. 1, for patients with coronary heart disease, we should pay attention to avoid cold drinks. In hot weather, the blood vessels are dilated, after eating cold drinks, most patients’ intestines will be stimulated, and lead to vasoconstriction, blood pressure spikes, angina pectoris, heart attack symptoms may occur. 2, coronary heart disease patients should have a light daily diet, usually eat more fresh fruits, vegetables, or some soy products, avoid too greasy high-fat food, appropriate supplement fish or lean meat, plus some sugar water and herbal tea supplement, conducive to body regulation. 3, sugar food is best not too much, although sugar is the body’s main source of calories, but too much sugar will be converted into fat, resulting in weight gain, you can choose starch, corn, more plant fiber food, eat less simple sugar. 4, avoid dehydration, some people do not have the appropriate drinking habits, are waiting until thirsty to drink, for the elderly, the lack of water leads to a rise in blood viscosity, leading to ischemia, blood vessel blockage, etc., so to develop good drinking habits. 5, can not overeat, quit smoking and alcohol, is the best policy. Smokers have a 3 times higher incidence of coronary heart disease than non-smokers, alcohol can easily lead to heart disease, aggravating coronary heart disease. Binge drinkers have a bad effect on the body’s digestion, try to eat more easily digestible food, to keep the normal excretion.