Coronary heart disease is the most common type of organ lesion caused by atherosclerosis, and it is a common and frequent disease among cardiovascular diseases, and many people may have coronary heart disease as they grow older. Although coronary heart disease and heredity have a certain correlation, but if we can pay more attention to improve the daily life style, as well as a reasonable choice of the first level of preventive medicine, then coronary heart disease is not necessarily will occur. First of all, it is recommended that patients should pay attention to low-salt and low-fat diet, eat more fresh fruits and vegetables, quit smoking and drinking, exercise and lose weight appropriately, keep a happy mood and regular work and rest. If the patient has high blood pressure, high blood lipid, high blood sugar, then it is necessary to properly lower blood pressure, lipid, sugar, treatment, blood pressure, blood lipid, blood sugar, control within a relatively standard range, so as to stop or avoid the aggravation of atherosclerosis, so as to prevent the emergence of coronary heart disease. According to the actual physical condition of patients, they can combine with some preventive drugs, which are commonly used clinically, such as beta-blockers, statins, and anti-platelet drugs. Patients are advised to control their heart rate at 55-60 beats/min on weekdays. It is important to review blood lipids, blood glucose, blood pressure and serum uric acid regularly, all of which are independent risk factors for coronary heart disease. Although coronary heart disease has a certain degree of heredity, but not necessarily immediate family members have coronary heart disease, the patient himself will definitely suffer from coronary heart disease, acquired efforts are also crucial, so it is important to pay attention to primary prevention.