The treatment of chronic bronchial is as follows: 1, acute exacerbation: fever and infection are the main causes, anti-infective treatment with antibiotics is needed, and antibiotics are applied according to the results of sputum culture; antispasmodic treatment is given to those who have difficulty in breathing; with the prolongation of the disease, the amount of sputum increases, which can block the airway and lead to increased difficulty in breathing and slower clearance of pathogenic microorganisms, and expectorant treatment should not be neglected in the process of treatment; in addition, treatment of combined diseases is needed. In addition, treatment of combined diseases is needed; 2. Stable period: including smoking cessation, avoiding inhalation of harmful gases and other harmful particles; strengthening physical fitness and preventing colds and flu; those with recurrent respiratory tract infections can try immunomodulators or traditional Chinese medicine, such as influenza vaccine, pneumonia vaccine, BCG polysaccharide nucleic acid, thymidine, etc.