Coronary heart disease refers to coronary atherosclerotic heart disease, specifically refers to the heart on the three coronary arteries have serious narrowing, its diagnosis has two methods: 1, do coronary artery multi-row helical CT, if screening has a stenosis of blood vessels greater than 50%, can be diagnosed with coronary artery disease; 2, coronary arteriography for the diagnosis of the gold standard, if the vascular dynamics of the blood vessels have a significant serious stenosis and is greater than 50%, but also to confirm the diagnosis. If the stenosis is greater than 75%, and at the same time there is an electrocardiogram showing myocardial ischemia, or treatment with drugs, angina pectoris still has recurrent episodes. Further interventional therapy can be performed to relieve myocardial ischemia and improve symptoms by balloon dilatation or stenting of the severely narrowed vessel. While unblocking blood flow, it is important to have better maintenance of systemic blood vessels, especially coronary arteries, with long-term use of antiplatelet drugs to prevent vascular occlusion and long-term use of lipid-lowering drugs to prevent plaque progression. At the same time to control the whole body of various risk factors with high blood pressure, high blood lipids, high blood sugar, at the same time must quit smoking, appropriate exercise, weight control, so that long-term maintenance of blood vessels, so that heart health can be guaranteed.