Walking feeling chest tightness, dyspnea, most of them are caused by respiratory diseases, with chronic bronchitis, bronchial asthma, chronic obstructive emphysema, respiratory failure, pulmonary heart disease, pleural effusion and pneumothorax, are very easy to cause this symptom. Usually, you need to go to the hospital to take a chest X-ray examination or do a CT examination of the lungs, and you also need to take blood tests to do routine blood tests, and you also need to do lung function tests. If there is a serious infection, you can use amoxicillin, levofloxacin and other drugs to antibacterial and anti-inflammatory treatment, you also need to use cough suppressing and asthma medication to relieve symptoms. Also need to consider is due to heart disease caused by coronary heart disease myocardial ischemia can be caused, you can hang up the cardiology department to do the appropriate examination to active treatment.