The generic name of Cymbicort is Budesonide Formoterol Powder Inhaler, and the dosage should be gradually reduced in a step-down manner until it is discontinued. The initial use of budesonide formoterol powder inhaler can be carried out in small doses, and then adjust the dosage appropriately afterward according to the development of the disease as well as the severity; if the disease gradually recovers and the symptoms gradually disappear, then reduce the dosage appropriately, for example, reduce the original dosage by 1/2, or reduce the number of times of taking the medicine. Budesonide formoterol powder inhaler should not be stopped suddenly, otherwise it may affect the efficacy of the drug, and may produce adverse reactions, resulting in the recurrence of the disease. Some patients have had adverse reactions to budesonide formoterol inhalation powder inhaler such as palpitations and fibrillation. This drug is contraindicated in people who are allergic to it. Budesonide formoterol powder inhaler is mainly used for the treatment of respiratory diseases, it is recommended to go to the hospital for examination before stopping the drug, and stop using it according to the control of the condition.