Ultrasonic nebulization uses the vibration generated by ultrasonic energy to shake the liquid inside the container, destroying the tension and inertia of the solution surface, thus forming fine aerosol particles. Clinical by the anti-inflammatory, asthma and other effects of the drug solution, shock into aerosol. After nebulized inhalation, it can act directly on the local target organs of the respiratory tract, thus exerting anti-inflammatory, antispasmodic and asthma effects. Its therapeutic effect is localized, while the systemic side effects are mild. Therefore, the side effects are relatively small, while the clinical efficacy is good, and medical resources can be saved, while the degree of patient cooperation can be. Generally speaking, the spray volume of ultrasonic nebulizer is higher than that of jet nebulizer, but due to the violent vibration of ultrasonic nebulization, it can warm up the liquid inside the container. Therefore this warming can have a detrimental effect on the stability of certain drugs containing proteins. Therefore, it is necessary to choose the appropriate nebulization equipment according to the physical properties of different liquids.