1 Control of infection Most of the common pathogens according to the location of the patient empirical selection of antibiotics.

2 Cough expectorant can be tried compound licorice combination or compound ammonium chloride combination or bromhexine.

3 Bronchodilators, such as theophylline, can be added to calm the asthma

Treatment in remission

1 Smoking cessation, avoiding the inhalation of noxious gases and other harmful particles

2 Strengthening the body, preventing infections

3 Repeated respiratory infections can be tried with immunomodulators or traditional Chinese medicines.