Double lung small airway disease is common in chronic bronchitis and chronic obstructive pulmonary disease, chronic bronchitis commonly used antibiotics such as amoxicillin, asthma medication such as aminophylline, chronic obstructive pulmonary treatment with glucocorticoids and so on. 1.Chronic bronchitis treatment with antibiotics, cough expectorant drugs, asthma medication. (1) antibiotics: commonly used antibiotics are amoxicillin, roxithromycin and so on. (2) Anti-cough and expectorant drugs: such as compound licorice syrup, compound ammonium chloride syrup and so on. (3) antispasmodic and asthma drugs: mainly bronchodilators, such as aminophylline. 2. Chronic obstructive pulmonary therapy drugs are bronchodilators, glucocorticosteroids, expectorants and so on. (1) Bronchodilators such as short-acting agent salbutamol, long-acting agent salmeterol and so on. (2) Glucocorticoids: mainly inhaled glucocorticoids. (3) Expectorant drugs: e.g., ambroxol hydrochloride, carbocysteine, etc. If there are small airway lesions in both lungs, it is recommended to consult a doctor in time to identify the cause of the disease and standardize the treatment under the guidance of the doctor.