Chest tightness and heart discomfort is very common, from young to old, from no pathological factors to pathological heart diseases. If chest tightness and heart discomfort occur, they need to be classified according to the specific type of disease in the age group. In the case of young patients, it appears after exertion, poor mood or anger, no need to worry excessively, only need to relax emotional distraction and appropriate postural activities to improve. If you are an older patient and you experience chest tightness and cardiac discomfort after exertion or emotional stress, it is recommended to improve the electrocardiogram to assess whether there are ischemic changes in the heart, because many elderly patients have a combination of coronary heart disease, and repeated chest tightness and cardiac discomfort may be a clinical manifestation of coronary heart disease.