Emotions can not be a little excited, agitation will be chest tightness, consider the possibility of myocardial ischemia or cardiac neurosis. 1. Myocardial ischemia: a pathological condition. The root cause of myocardial ischemia is that the coronary artery’s blood and oxygen supply to the myocardium cannot meet the body’s demand for oxygen. When emotional excitement, can induce myocardial ischemia, the patient thus manifested as chest tightness. 2. Cardiac neurosis: this is a disease related to psychological factors. The patient will consciously have chest tightness and chest pain and other discomforts, but all kinds of examination results are not obvious abnormality. When the patient has anxiety, agitation and other emotional changes, the symptoms can be aggravated. Patients should go to the cardiovascular internal medicine department of the hospital in time to find out the cause and then cooperate with the treatment under the guidance of the doctor, so as not to affect the normal life and work of the individual.