Among the risk factors for the development of coronary heart disease, the most important ones are hypertension and hypercholesterolemia. The onset of coronary heart disease is directly or indirectly related to dietary and nutritional factors, so pay attention to reasonable nutrition is one of the important measures to prevent and treat coronary heart disease. Coronary heart disease diet note one: patients with coronary heart disease should quit smoking, reduce the amount of alcohol consumption, when combined with hyperlipidemia, should avoid drinking alcohol. And should avoid or use less full-fat milk, cream, egg yolk, fatty pork, fatty lamb, fatty beef, liver, offal, butter, lard, butter, mutton oil, coconut oil. Coronary heart disease diet note two: increased dietary calcium content can prevent hypertension and hypercholesterolemia caused by high-fat diet. When increase the intake of magnesium, the above symptoms can be alleviated, or even eliminated. Coronary heart disease diet note three: tea has the effect of anti-coagulation and promote fibrinolysis. Tea polyphenols in tea, can improve the permeability of the microvascular wall, can effectively enhance the elasticity and resistance of the heart muscle and blood vessel wall, reduce the degree of atherosclerosis. Coronary heart disease diet note four: a light diet, low salt is particularly important for people with combined hypertension, salt intake is controlled at less than 5 grams per day. The amount of salt intake is limited to less than 5 grams per day. The amount of activity can be increased or decreased according to the season. In winter, sweating is low and activity is reduced accordingly, so salt intake should be controlled. Coronary heart disease diet note five: the fat of sea fish contains polyunsaturated fatty acids, which can affect human lipid metabolism, reduce serum cholesterol and serum triglycerides and low-density lipoprotein and very low-density lipoprotein, so as to protect cardiovascular and prevent coronary heart disease.