Pu Dilan belongs to the commonly used traditional Chinese medicine, Pu Dilan Oral Liquid belongs to the proprietary Chinese medicines, Pu Dilan has the efficacy of clearing heat and removing toxins, resolving phlegm and relieving cough, clinically used in the upper respiratory tract and the lower respiratory tract infections, it can play a role in the effectiveness of the antiviral, relieving cough and resolving phlegm. Pu Di Lan can treat bronchitis, mainly for wind-heat, phlegm-heat type bronchitis effect is better, the clinical manifestations of cough, cough yellow sputum, dry mouth, dry nose and even fever, sore throat, tonsil enlargement and other symptoms, can play a very good therapeutic effect. Pulsatilla oral solution for bronchitis can mainly serve the purpose of clearing away heat and resolving phlegm, reducing inflammation and relieving cough. The treatment of bronchitis with Pulsatilla oral solution needs to be used in conjunction with the judgment of blood routine. If the blood routine suggests that the infection is heavier, the effect of busulfan oral solution alone is lighter and the effect is general, and if it is used in conjunction with antibiotic treatment, the infection of the respiratory tract can be well controlled. In conclusion, buspirone treatment for bronchitis is suitable for patients with milder symptoms of infection.