Coronary heart disease is a major disease, especially coronary heart disease, myocardial infarction or coronary heart disease patients who have already undergone coronary artery bypass surgery treatment are in the category of major diseases. Coronary artery disease is an atherosclerotic heart disease with a long course and an increasing incidence with age, and is a chronic disease that requires lifelong treatment and prevention to effectively reduce the incidence of coronary heart disease. Good lifestyle habits, maintaining emotional stability, not smoking, alcohol abuse, not overeating, eating more vegetables and fruits, light diet, proper aerobic exercise, taking medication on time as prescribed by the doctor, regular outpatient follow-up, adjusting the examination and treatment plan and developing a standardized coronary heart disease rehabilitation plan at any time are very good for the prognosis of coronary heart disease patients.