I. Undiagnosed coronary artery disease: You should first go to a hospital cardiovascular specialist and undergo coronary CT and exercise test according to the doctor’s recommendation to confirm the diagnosis. Second, patients with confirmed coronary artery disease: it is best to have a coronary angiography to clarify the location and degree of stenosis of your coronary artery lesions, and the physician will assess the risk level of your coronary artery disease: high risk, intermediate risk or low risk. If it is low risk, you can rely entirely on medication to achieve the same good long-term results. If the lesion is high-risk, you should undergo stenting or bypass treatment according to the doctor’s recommendation to avoid serious consequences. Third, the secondary prevention treatment of coronary heart disease (consolidation treatment): coronary heart disease is a kind of old age disease, the cause is complex, although after the bypass or stent treatment, drug treatment should continue to consolidate. Specific plan, follow the doctor’s advice.