Early stage of coronary heart disease may appear panic palpitations, chest tightness and chest pain, chest discomfort, dizziness and fainting, radiating pain and other symptoms. 1. Panic and palpitation. During the attack of coronary heart disease, there will be fast heart rate and high blood pressure, and the patient will feel panic and palpitation. 2. Chest tightness and chest pain. Due to insufficient blood supply from narrowed coronary arteries, resulting in poor oxygen supply to the tissues, it is easy to have more obvious symptoms of chest tightness and chest pain after exercise. 3. Chest discomfort. Coronary artery disease is sometimes characterized by chest discomfort rather than chest pain, and patients are often forced to stop their ongoing activities at the onset. 4. Dizziness and fainting. Due to the presence of arrhythmia, patients with coronary heart disease will have insufficient blood supply to the brain, and then dizziness and fainting will occur. 5. Radioactive pain. Early coronary heart disease will appear radioactive pain, coronary artery damage will be reflected in the body surface nerve projection area feeling pain. Commonly in the left shoulder, left arm medial to the ring finger and little finger, or to the neck, throat or jaw. There are also patients who present with unprovoked toothache. Early symptoms of coronary heart disease should be vigilant, timely medical care and timely review.