Baby bronchitis cough, nebulization and injection there is no question of who is better, they are complementary treatment methods, need to be decided according to the severity of the disease. Baby bronchitis is a relatively common disease, often caused by viral (such as respiratory syncytial virus) or bacterial (such as Streptococcus pneumoniae) infections, the clinical symptoms may appear coughing, partly accompanied by fever, wheezing and so on. For the treatment of glucocorticoids (such as budesonide) is often used for nebulization therapy, which can reduce respiratory inflammation and exudation, intravenous infusion of antibacterial drugs can actively control the infection, the two are complementary to each other’s means of treatment, there is no question of who is more effective, the specific use of medication needs to be based on the degree of severity of the disease to formulate the program. For babies with combined bacterial infections, if the effect of reasonable oral medication is not good for several days, and the cough worsens progressively, and accompanied by recurrent fever, then intravenous antibacterial drugs and nebulizer treatment should be carried out together. The above medications should be used under the supervision of a physician, and it is recommended to consult a specialist for appropriate and effective treatment.