Myocardial ischemia is a symptom resulting from a conflict between myocardial oxygen consumption and myocardial oxygen supply. When a person is angry, sympathetic excitement, emotional excitement and rapid heartbeat increase myocardial oxygen consumption. If you already have coronary artery disease, there is already an objective basis for myocardial ischemia, at this time, anger can easily induce or aggravate myocardial ischemia, which can induce angina and even lead to adverse cardiac events, such as induced myocardial infarction. Patients with coronary heart disease must usually pay attention to keep their minds calm, try not to lose their temper and keep their mood calm. Also pay attention to control their blood pressure, monitor blood pressure, pay attention to regular diet, do not stay up late. Only by doing the above, it is possible to reduce myocardial ischemic attacks, or not to let existing coronary heart disease aggravated by stressful situations, or even acute heart attacks.