High risk factors for coronary heart disease: age (advanced age, with a tendency of lower age), gender (male prevalence), family history, hypertension, smoking, hyperlipidemia, diabetes, psychiatric factors, obesity. The four cornerstones of health: proper diet, moderate exercise, smoking cessation and alcohol restriction, and psychological balance. Healthy diet: red, yellow, green, white, black 1, red: red wine, drink 50-100ml daily; tomatoes. 2, yellow: yellow vegetables, grains (carrots, sweet potatoes, pumpkins, corn, etc.). 3, green: green leafy vegetables, green tea (avoid strong tea). 4, white: oatmeal, oatmeal. 5, black: black fungus (the food “aspirin”). Quit smoking: smoking alone can cause “bridge” blockage. Take the initiative to quit smoking, while avoiding passive smoking. Smoking 1-9 cigarettes per day is 1.7 times more likely to cause an acute myocardial infarction than a normal person, 10-19 cigarettes per day is 2.4 times more likely, and more than 20 cigarettes per day is 6.3 times more likely. Limit alcohol: 15 grams of alcohol per day (25 ml of 60 degree white wine, 300 ml of beer). Exercise program: beginning phase, improvement phase, maintenance phase 1. beginning phase: 10 weeks, including stretching, gymnastics, walking, life self-management and other low-intensity aerobic exercise. 2. improvement phase: 10-26 weeks, household chores, jogging, exercise time extended appropriately. 3. maintenance phase: return to normal status, adhere to exercise. Post-operative life tips: do not stay up late, do not bathe for a long time in the “hot tub” and sauna, do not play cards for a long time, do not engage in heavy physical labor, do not engage in competitive work, do not have mood swings, and do not be very happy and angry.