Generally, chest tightness when you are angry is related to coronary artery disease and bad heart. In most cases, there is a problem with the coronary artery blood vessels, and the heart muscle will be ischemic when you are emotional, and chest tightness will occur after ischemia. Also seen in friends with high blood pressure, high blood pressure when angry will also cause chest tightness. In addition, diabetic patients with cardiovascular problems may also suffer from chest tightness when they are angry. Therefore, it is recommended that patients with heart disease, hypertension, and diabetes should try not to get angry, so as not to cause a sudden increase in myocardial oxygen consumption due to emotional stress, which can lead to angina, heart attack, and other serious acute events of heart disease, and even life-threatening.