The dietary principles of patients with coronary heart disease include: 1, low-fat diet: you can not eat offal, cholesterol, lipids containing relatively high food, because these factors are risk factors that trigger the development of coronary heart disease changes; 2, relatively low salt: do not eat too much salt, too salty, taste too heavy food, will easily cause high blood pressure, high blood pressure is also a risk factor for coronary heart disease; 3, quit smoking and limit alcohol: smoking must be quit. Moderate amount of red wine is somewhat beneficial, but can not drink too much alcohol, wine drinking more prone to induce angina, myocardial infarction, so that the heart overload. 4, weight control: eat too much lead to weight gain, obesity on the development of coronary heart disease changes are harmful factors; 5, strong tea can also induce angina or accelerated heart rhythm, these factors should be properly controlled.