Patients with coronary heart disease should pay more attention to diet, exercise, and taking medications. 1, to maintain a light diet, eat more dietary fiber, and consume less excessive animal fats and foods containing high cholesterol; 2, to maintain appropriate physical work and exercise. Patients with stable coronary heart disease can do aerobic exercises such as brisk walking, jogging, swimming, etc.; exercise after ischemic events should be gradual and should not be forced to do strenuous exercises, but can do activities such as walking and tai chi; 3. Patients with coronary heart disease should should control the amount of staple food, and overeating is strictly prohibited. After the body is too full to meet the digestive needs, the heart must output a large amount of blood supply to the gastrointestinal and other digestive systems, in the heart to do more work and their own blood supply is limited, it is easy to induce angina pectoris and even myocardial infarction; 4, to avoid attack triggers, such as strenuous activity, emotional excitement and constipation, these conditions will increase the myocardial oxygen demand, inducing heart attack. Also pay attention to the cold and warmth, because the cold easily stimulates the body’s stress response, cold weather can lead to vasospasm, drink less water also leads to increased blood viscosity; 5, quit smoking and limit alcohol; 6, strict control of risk factors: should actively treat the combined hypertension, hyperlipidemia, diabetes; 7, adhere to the common drugs for coronary heart disease; 8, patients diagnosed with coronary heart disease should go out with nitroglycerin and other emergency drugs and write Patients who are diagnosed with coronary heart disease should carry first aid drugs such as nitroglycerin and cards with their name, home address, contact number and past medical history with them when they go out. By maintaining a healthy lifestyle and adhering to medications, patients with coronary heart disease can often survive for many years.