Nebulized inhalation is aerosolized medicine sprayed out by the respiratory tract to achieve the purpose of treating diseases. Generally speaking, it can have the effect of calming asthma and anti-inflammation, as well as relieving cough and phlegm. Generally speaking, it is commonly used drugs, antibiotics, such as kanamycin, gentamicin, etc., drugs to relieve bronchospasm, drugs to dilate the bronchial tubes, such as aminophylline, albuterol, salbutamol, etc. Drugs to thin the phlegm and help expectorant include alpha-chymotrypsin and phlegm purification, etc., to reduce edema. There are also certain anti-allergy and anti-inflammatory drugs such as dexamethasone, budesonide, etc. Generally, it is necessary to choose the drugs according to the different conditions and diseases of the patients, then also pay attention to the allergic reactions of the drugs. If allergies are not allowed to use.