Chest tightness and cough can be divided into physiological and pathological, pathological causes may have respiratory diseases and cardiovascular diseases, etc., can not be summarized by three simple diseases. 1. Physiological: If you have just finished a strenuous exercise or emotional excitement, you may have this symptom, which is a normal physiological phenomenon, without additional special treatment. 2. Pathological: If you suffer from respiratory diseases, such as chronic bronchitis, chronic obstructive pulmonary disease, pneumonia, asthma and pneumothorax, etc., you will generally have coughing symptoms, and may be accompanied by symptoms of chest tightness due to insufficient ventilation; there are also cardiovascular diseases are also one of the common causes, such as cardiac failure, etc., because of pulmonary stasis, resulting in chest tightness, cough and other symptoms. There are many other diseases that cause chest tightness and cough, if the symptoms do not improve or aggravate, it is recommended to consult a doctor in a timely manner, improve the examination, and comply with the doctor’s instructions, so as not to delay the condition.