Flutemavir Inhalation Powdered Aerosol is an adrenergic medication that needs to be inhaled by mouth and rinsed with water after inhalation and is usually used once a day at a fixed time. It is used for the maintenance treatment of chronic obstructive pulmonary disease (COPD). It is a combination preparation with the active ingredients of vilanterol triphenylacetate, umeclidinium bromide and fluticasone furoate. It can only be inhaled orally, and after inhalation it is necessary to rinse the mouth with water, taking care that the mouthwash should not be swallowed in order not to increase the risk of oropharyngeal Candida infections, usually once a day. It should be noted that this drug can only be used as a maintenance therapy, not as an emergency drug. Flutemavir Inhalation Powder Mist is associated with adverse reactions such as upper respiratory tract infections, headache and nasopharyngitis. It can not be used for those who are allergic to the ingredients and those who are heavily allergic to milk proteins; it should be used with caution in patients with severe cardiovascular disease, hepatic and renal impairment, hyperthyroidism, tuberculosis; it is not suitable for children, and pregnant or breastfeeding patients need to be evaluated. Flutimavir Inhalation Powder Mist belongs to the prescription drugs, should be used under the guidance of a doctor or in strict accordance with the instructions for use to avoid adverse reactions.