The steps of nebulization for children include clearing the nasal passages, putting on the mask, nebulizing, and clearing. Children’s nebulization is the best treatment for children’s cough and asthma, the steps include: 1. before nebulization to children to clean the nasal cavity and oral foreign body, to keep the airway open, conducive to the smooth passage of drugs. Before nebulization, pay attention to take the correct position, you can take the semi-recumbent position or sitting position, at the same time, appropriate elevation of the head, if the baby is too young to cooperate, you can nebulize the baby when he/she is sleeping. 2. Wear a mask to ensure that the mask fits snugly, protects the nose and mouth, and leaves no gaps to prevent the drug from leaking out; 3. Conduct nebulization normally, choose the time of nebulization half an hour before meal or one hour after meal, and the nebulization time should not be more than 15 minutes. 4. At the end of nebulization, clean up. Pay attention to scrub children’s faces, and pay attention to rinse the nebulizer with hot water.