Cough is one of the most common respiratory symptoms in babies; many respiratory diseases can cause cough in babies; such as: common cold, influenza, pharyngitis, tonsillitis, bronchitis, bronchopneumonia, allergic cough, bronchial asthma, etc. The method of nebulization inhalation is currently a very good treatment for coughs caused by respiratory diseases. Through the nebulization machine to make the drug output in the form of aerosol, the drug particles can reach 1-5 microns in diameter, with the respiratory airflow into the body, direct contact with the airway surface mucous membrane epithelium and play the drug effect, the local effect is strong, the local drug concentration is also high, the efficacy is relatively good. Over the years with the progress of medicine, and through the treatment experience of many children, nebulization is now considered the most effective, most direct, the best effect, the least side effects of the treatment method. The reason is different from taking medicine, eat into the stomach of the drug needs to go through the whole body blood circulation, part of the lungs to play a role, the role of time will inevitably be slower than the nebulized inhalation into the lungs, in addition, at the same time to reach the liver, kidney drugs for babies will have side effects, so, nebulized inhalation will also avoid damage to the baby’s delicate liver and kidneys.