Budesonide Suspension for inhalation should be inhaled by nebulizer, the steps of use include gargling, connecting the nebulizer device, nebulizing inhalation, gargling, and cleaning the nebulizer. 1. Gargle: firstly, clean the mouth to remove the foreign matter in the mouth. 2. Connect the nebulizing device: pour the nebulizing solution into the nebulizer and connect the nebulizing device. 3. Nebulization inhalation: patients take a comfortable position, sitting or semi-recumbent position, put the nebulizing mouthpiece in the mouth or wear a good nebulizing mask, inhale vigorously, inhale and then hold the breath for 1~2 seconds, then exhale slowly. Nebulization time should be maintained at about 10-20 minutes. Generally the elderly or infants use nebulizing mask inhalation. 4. Rinse the mouth and clean the face: Discharge the phlegm in the mouth after nebulization inhalation, then rinse the mouth in time and clean the face at the same time. 5. Cleaning the nebulizer: clean the nebulizer after the end of all nebulization, keep the nebulizer clean. Prohibited for those who are allergic to budesonide or other ingredients. If you need to use budesonide suspension need to be under the guidance of a doctor, do not use without authorization.