Infants often have respiratory diseases, in the face of cough, phlegm, throat edema and other problems, many doctors will recommend “nebulization” treatment, then nebulization treatment has side effects? Nebulization for babies is not very harmful. Nebulizer treatment uses less medication, the drug takes effect quickly, and has very few systemic side effects on the baby. Nebulization, like oral medication, intravenous infusion administration, and intramuscular injection administration, is a form of drug delivery, and is mainly used to treat, cough heterogeneous asthma, bronchial asthma, and wheezing in infants and children. Acute laryngitis bronchitis, post-infection cough and many other childhood respiratory diseases. Nebulized inhalation therapy is a device that uses nebulization to disperse drugs into tiny droplets or particles, which are suspended in the gas and enter the respiratory tract and lungs to clean the airway, humidify the airway, local treatment and systemic treatment. This method is fast and effective because it works precisely on the diseased lungs and respiratory tract. It is also a popular treatment option for many pediatricians because the dose of medication is small due to the local application. Nebulization is more effective, uses less medication and has fewer side effects, and is safer than oral medication and infusions.