Treatment of acute capillary bronchitis: 1. Etiological treatment. If it is a bacterial infection, antibiotics must be applied, for example, for Gram-positive bacterial infection, first or second generation cephalosporin antimicrobials, clindamycin can be used. If it is a Gram-negative bacterial infection, third-generation cephalosporin antibiotics, quinolone antibiotics can be applied. But note that under 18 years old, try not to use quinolone antibiotics. In case of mycoplasma and chlamydia infections, azithromycin can be applied. If it is a viral infection, and it is influenza A, epidemic influenza B, you can apply oseltamivir antiviral treatment. 2. Symptomatic treatment. The symptoms of cough and sputum can be given to relieve cough and dissolve sputum, generally applied drugs such as fenagan cough syrup, aminoglycoside, compound licorice tablets, etc., while traditional Chinese medicine and proprietary Chinese medicine can be applied to pulmonary cough, Chuanbei loquat, etc. In addition, nebulized inhalation is also effective in relieving cough and resolving phlegm, and ipratropium bromide can be applied. If there are allergic bronchial symptoms, you can add Pulmicort nebulized inhalation treatment.