Chest tightness and cough without sputum may be caused by respiratory diseases, cardiovascular system diseases, allergies or psychological disorders, etc., and should be promptly consulted, the cause of the disease clarified, and symptomatic treatment. 1. Respiratory diseases such as chronic obstructive pulmonary disease, pneumonia, bronchitis, cough variant asthma, etc., can lead to dry cough without sputum, and when lung function changes or inflammation exists, it will cause chest tightness. 2. Diseases of the cardiovascular system such as coronary heart disease can lead to myocardial ischemia, hypoxia, chest tightness. Coughing without sputum can also occur in patients with left heart failure when pulmonary stasis occurs. 3. When allergic reaction occurs, bronchospasm occurs, which can manifest chest tightness and cough without sputum. 4. Certain mental illnesses may be due to excessive mental stress and symptoms of chest tightness and cough without sputum, such as neurosis. When there is chest tightness and cough without sputum, you should go to the regular hospital in time to diagnose the cause of the disease, and actively comply with the doctor’s instructions for treatment.