Chest tightness and shortness of breath may be a symptom caused by organic diseases or physiological factors, causing chest tightness and shortness of breath due to a number of factors. Chest tightness and shortness of breath is a manifestation of chest discomfort, more common, some physiological factors can lead to the emergence of this symptom, such as anxiety, depression, emotional excitement, strenuous activities, environmental factors, drug effects, etc., and after resting or stopping the medication in accordance with the doctor’s instructions, the symptoms can usually be relieved or disappear. Organic diseases can also lead to chest tightness and shortness of breath, including myocardial infarction, heart failure, bronchitis, chronic obstructive pulmonary disease, asthma, mediastinal tumor, metabolic disorders and other diseases. Therefore, if the symptoms of chest tightness and shortness of breath occur, you need to take adequate rest and observe whether there are other symptoms, if the discomfort continues to be unrelieved, you should consult a doctor to identify the cause of the disease and treat the symptoms in a timely manner. Specific diagnosis and treatment should follow the doctor’s advice.