Clinically respiratory diseases, cardiovascular diseases, anemia, endocrine diseases can lead to chest tightness and breathlessness, it is recommended to actively seek medical advice to improve the relevant examination to determine the diagnosis, different diagnosis to take different treatment: a. Patients with chest tightness and breathlessness due to chronic obstructive pulmonary disease, cough variant asthma, etc. can be treated with anti-infective, expectorant, wheezing and other related drugs, commonly used wheezing drugs include ipratropium Commonly used asthma medications include ipratropium bromide, salbutamol, tiotropium bromide, budesonide formoterol, etc. Second, the elderly are suffering from chest tightness and breathlessness due to cardiac insufficiency. According to the condition, appropriate amount of cardiotonic, diuretic, vasodilator, anti-platelet aggregation, lipid regulating and other related drugs should be used to control common diseases, such as hypertension and diabetes mellitus. Third, the patient is due to severe anemia or endocrine diseases leading to chest tightness and breathlessness, to the corresponding targeted treatment.