Coronary heart disease is a chronic disease. Coronary heart disease refers to atherosclerosis of the coronary arteries caused by the narrowing or blockage of the lumen of the blood vessels, resulting in myocardial ischemia, hypoxia, a type of heart disease. If the atherosclerotic plaque rupture will also lead to thrombosis, easy to cause myocardial infarction. Coronary heart disease is a relatively common chronic disease, mostly in the elderly. Coronary atherosclerotic plaque formation, will exist for a long time, after active treatment can control the progress of the disease, but can not be cured. This shows that coronary heart disease is not only a chronic disease, but also a lifelong companion. Patients with underlying diseases, such as hypertension, diabetes, hyperlipidemia, etc., such as poor control, coronary atherosclerotic plaque progress faster. Once you have coronary heart disease, you must pay attention to it, and it is recommended that you strictly follow the doctor’s instructions for medication, regular review, and standardized treatment.