Nebulized inhalation medication, which is sold in pharmacies, is available because this medication is more widely used clinically. Commonly used nebulized inhalation drugs, there are budesonide suspension, terbutaline nebulized solution, compound ipratropium bromide, acetylcysteine nebulized solution and so on. These nebulized inhalation drugs, the main role is local anti-inflammatory and bronchial dilatation effect, for pharyngitis, pneumonia, bronchial asthma, chronic obstructive pulmonary disease, lung cancer and other diseases have efficacy, as well as for phlegm patients, but also a certain amount of phlegm humidification and promotion of phlegm efficacy.