Chest tightness and rapid heartbeat is a symptom, mainly depending on what causes it, clinically there are several common causes: 1, the presence of organic heart disease, the most common is coronary heart disease, angina pectoris, after the activity of the precordial area, the pressure behind the sternum, relieved after rest, it is best to go to the hospital for systematic examination to clarify. 2, diseases of the respiratory system, such as pneumonia, pleurisy, bronchial asthma, tuberculosis, lung cancer 3, diseases of the chest wall, such as costochondritis, rib neuralgia, can also lead to the above symptoms. 4, diseases of the digestive tract, such as reflux esophagitis, symptoms outside the esophagus can also have the above manifestations. 5, functional diseases, such as menopause syndrome, tension, anxiety patients can manifest the above symptoms, but the basis of organic heart disease must be excluded.