Nebulization therapy mainly refers to aerosol inhalation therapy, in which drugs are dispersed into tiny droplets or particles through a nebulizing device, so that they can be inhaled into the respiratory tract and lungs to achieve the purpose of treatment. The drugs used in nebulization generally do not require much diet, so it is possible to do it on an empty stomach. In general, nebulization treatment, the drug needs a certain amount of time to play a role, so it is best not to eat, drink water within 20 minutes after nebulization, so as not to wash out the drug, can not achieve the purpose of treatment, nebulization treatment time should not be too long, generally in 5 ~ 15 minutes is appropriate. Nebulization medication is best used under the guidance of a physician.