Coronary heart disease will appear chest tightness, chest pain, radiating pain, shortness of breath and other symptoms, but there is no coronary heart disease should not be taken lightly five symptoms of the statement. 1. Chest tightness: after strenuous exercise or physical labor, overeating, there will be a feeling of chest tightness behind the sternum, the patient feels breathless. Symptoms will improve or disappear after a little rest. 2. Chest pain: some patients with unstable condition may experience pain in the precordial area in a calm state, which may be dull or sharp. 3. Radiating pain: when chest pain occurs, part of it will radiate to the shoulder, neck and even to the abdomen. The pain is gradually aggravated, prolonged and recurrent. 4. Shortness of breath: shortness of breath and dizziness may occur when exposed to external stimuli, accompanied by nausea and palpitations. If the above symptoms occur, you should consult a doctor in time to avoid missing the best time for treatment.