The storage nebulizer and quasi-nebulizer are the most common way of medication for children with asthma, but in the process of use we have found various errors, which are now organized for parents’ reference to correct the errors in time, use the medication correctly and improve the therapeutic effect. A. Common errors in the use of the storage fog canister: 1. The storage fog canister is not cleaned in time, the drug is deposited on the wall of the tube too much to affect the therapeutic effect 2. Excessive exhalation 5.Inhalation time is too short, not up to 30 seconds before taking away the aerosol can 6.Pressing the aerosol with too little force without pressing to the end, resulting in inadequate release of aerosol 7.Using a broken aerosol can 8.Unplugging the aerosol cap before inhalation 9.Not shaking the drug well along the long axis of the aerosol before spraying 10.The child is lying down when inhalation 11.Pulling the drug out of the aerosol can after pressing the drug, the drug comes out from the back 12.After inhalation, the drug was not cleaned from the face or mouth Common mistakes in the use of the quasi-napper: 1.Not opening the shell or not pulling the sliding rod 2.Breathing into the mouth, the lips are not wrapped around the quasi-napper nozzle 3.Tongue blocking the nozzle 4.Inhalation time is too short and too fast, and most of the drug is deposited in the pharynx 5.After inhalation, the drug is not held for 10 seconds, or the cheeks are held 6.After inhalation, the drug is not rinsed out in time 7.The drug is poured out and taken orally 8.The drug is poured out and taken orally 8.Inhale and pull out the sliding action at the same time 9.The upper body does not maintain an upright position when inhaling medicine, the neck is too forward or backward The above information is transferred from the Children’s Asthma Center of Gansu Provincial Maternal and Child Health Hospital