For cough, chest tightness and shortness of breath, you need to go to the hospital to find out the cause and then give corresponding treatment. Cough chest tightness and shortness of breath, which are common in lung diseases and heart diseases clinically, such as chronic obstructive pulmonary disease, bronchial asthma, bronchiectasis, pulmonary interstitial fibrosis and other related lung diseases are common causes of cough and chest tightness and shortness of breath, and these diseases need targeted treatment. For example, chronic obstructive pulmonary disease (COPD) focuses on the inhalation of long-term bronchodilators. Bronchial asthma is usually centered on inhaled glucocorticoids, which often requires combined inhalation of long-term bronchodilators. Cardiac insufficiency is also easy to lead to cough, chest tightness and shortness of breath. Cardiac insufficiency often requires diuresis, vasodilation and other related treatment measures.