Chronic bronchitis is one of the more common chronic diseases of the respiratory system and requires the use of medication during acute exacerbations. First, control the infection, according to the location of the patient common pathogenic bacteria empirical selection of antibiotics, commonly used are levofloxacin, roxithromycin, amoxicillin, cefuroxime, etc.. Second, cough expectorant drugs, the use of compound licorice combination, aminoglutethimide hydrochloride, etc. For patients with asthma can use theophylline drugs, such as dihydroxypropyl theophylline, doxorubicin, etc. Third, combined nebulized inhalation treatment, nebulized inhalation drugs usually choose to inhale budesonide suspension combined with terbutaline nebulized solution treatment.