The correct name of the disease should be coronary atherosclerotic heart disease. It can be characterized by a variety of symptoms such as chest pain, chest tightness, palpitations, shortness of breath, dyspnea, and fatigue. Different periods of coronary heart disease and its clinical manifestations have differences, need to be discussed in different situations. Coronary heart disease in the early stage of the onset of its clinical symptoms are not typical, there may be a slight anterior region of the heart, chest tightness, chest pain, palpitations and other symptoms, can be tolerated, after resting the symptoms can be alleviated. When coronary artery disease causes serious obstruction of coronary artery, it can trigger an attack of angina pectoris, which is manifested as anterior precordial colic, precordial pressure, tachycardia and other symptoms; it can even trigger myocardial infarction, which is manifested as palpitations, agitation, sense of dying, severe pain in the precordial region, etc. When heart discomfort occurs, it should be treated as an angina pectoris. When symptoms of cardiac discomfort occur, you should go to a professional cardiology clinic for treatment in time to prevent the disease from worsening due to delayed condition.