Inhalation beclomethasone formoterol aerosol is used for the treatment of bronchial asthma and has a very good anti-inflammatory effect, which can relax the bronchial tubes and relieve bronchospasm, and can be inhaled with the aid of a nebulizer, which can effectively reduce the side effects of glucocorticoids, and can also be used topically to enhance the efficacy of the drug. Since beclomethasone formoterol aerosol for inhalation contains hormones, patients should rinse their mouths promptly after using the drug. It should be noted that patients using this drug may experience some adverse reactions, such as pharyngitis, ventricular precontraction, angina pectoris, headache and other symptoms. In addition, inhalation of beclomethasone formoterol aerosol may cause the patient’s blood sugar to rise.