Xinbi Ke is the trade name, generic name budesonide formoterol powder inhaler, under normal circumstances, this product can be used for long-term use as prescribed by the doctor. Budesonide formoterol powder inhaler is a combination preparation, whose components are budesonide and formoterol fumarate. It is mainly used for the treatment of asthma (those who need to combine the application of inhaled corticosteroids and long-acting β2 agonists) and chronic obstructive pulmonary disease (those whose post-bronchodilator FEV1 is <70% of the expected normal value). This product may be used for prolonged periods of time as prescribed by the prescribing physician, with the caveat that after administration, patients should gargle with water to minimize the risk of oropharyngeal Candida infections. During administration, patients may experience adverse reactions such as palpitations, headache, tremor, cough, etc. It is contraindicated in patients who have had an allergic reaction to budesonide, formoterol, or inhalation of lactose (containing a small amount of cow's milk protein). If there is a need for medication, it is recommended to go to the hospital in time, follow the doctor's instructions to use the medication, and avoid blindly using or stopping the medication, so as not to affect the efficacy of the drug.