Nebulized inhalation is a common way of drug delivery, get these few precautions, so that you can easily cope. Before inhalation: Before inhalation, clean the mouth, clear the mouth secretions and food residues, children to avoid crying when inhalation caused by accidental inhalation. Position: it is best to take an upright sitting position, try to avoid lying on your back, when inhaling, apply the mouth to do a slow deep inhalation, so that the drug fully reach the bronchi and lungs. Inhalation: Calm breathing or deep breathing. Avoid: Care should be taken not to let the nebulized liquid enter the eyes during inhalation, otherwise it will cause eye discomfort. Time: The time should not be too long, 10-15 minutes is appropriate. Speed: The speed of inhalation should be slow to fast, and the amount of nebulization should be small to large, so that the patient can gradually adapt. After inhalation: after inhalation, mouth should be rinsed with saline or warm boiled water, and the mouthwash should be spit out to prevent the accumulation of drugs in the pharynx, and the face should be washed when inhaling with a mask; pat the back, the sputum is the most loose after nebulization, and at this time, patting the back can better promote the discharge of sputum.