Myocardial ischemia, also known as coronary heart disease, is a lack of blood supply caused by coronary arteriosclerosis and stenosis of the lumen due to various reasons. The main causes of myocardial ischemia are related to hypertension, hyperlipidemia, smoking, diabetes, obesity and other factors. Therefore, the problem of myocardial ischemia should first be treated from the following aspects. First, we should eat a low salt and low-fat diet, not smoke and drink and eat less animal viscera. Eat more vegetables and fruits. Second, exercise more to increase calorie consumption and control weight. Second, quit smoking and limit alcohol consumption. Third, choose antiplatelet drugs and statins. Inhibiting platelet aggregation and reversing plaque regression. Fourth, we should control the risk factors such as blood pressure, blood sugar and blood lipids, and choose appropriate drugs to control them. The fifth intervention treatment can provide coronary angiography for patients with myocardial ischemia. If the stenosis exceeds 75%, stent implantation can be selected for treatment. The sixth pair of patients with severe myocardial ischemia, especially those with multiple abnormal coronary branches, who are not suitable for interventional treatment, can also choose bypass surgery.