1, nebulization time: preferably fasting state because the drug is easy to stimulate the throat caused by nausea reflex leading to vomiting 2, nebulization position: preferably semi-recumbent or sitting position, the effect of lying down is poor 3, nebulization before preparation: clean the nasal cavity to ensure smooth inhalation of drugs, clean face to avoid applying oily skin care products to prevent the occurrence of lipid pneumonia 4, nebulization after operation: wash face and rinse mouth can reduce glucocorticoid-induced hoarseness facial dermatitis oral fungal infections and other adverse reactions, nebulization can be patted back to drain the sputum, hollow palm from the outside to the inside, from the bottom up, the force is uniform 5 crying nebulization effect is the worst.