Nebulizer a therapeutic device that enables the atomization of liquids into aerosols, nebulizer including home and medical two, the use of medical and home difference is not much, but also relatively simple, generally including 3 steps: 1, add drugs: according to medical advice to the nebulizer to add drugs, you can use saline dilution solution. However, care should be taken not to arbitrarily add or subtract the amount of drugs, for a time not used up the drug, it is recommended to be placed in the refrigerator at 2-8 ℃ refrigerated storage, storage time of no more than 24 hours, so as not to affect the effectiveness of the drug; 2, inhalation of drugs: turn on the power, to be lighted after the mouth nozzle, inhalation of nebulized drugs until the aerosol disappears. Patients are advised to avoid eating 30 minutes before nebulizer treatment, fully remove airway secretions, and do not apply oily cream. It is best to choose a sitting position when nebulizing inhalation, those who cannot take a sitting position can elevate their head and be at 30° to the chest, infants and children can be in a semi-sitting position. Handheld nebulizer should be kept vertical with the ground to avoid spillage; 3, cleaning and maintenance: after turning off the switch, all the accessories of the nebulizer must be rinsed with warm water and control dry water. After use, the accessories need to be dried naturally or wipe dry to avoid moisture, wait until completely dry and reassemble the nebulizer. Nebulizers are useful for the treatment of upper and lower respiratory system diseases such as asthma and bronchial dilation. It should be noted that if a home nebulizer is used, it is for the patient’s personal use only and must not be shared with others. After 15 days of use need to be replaced, can not extend the use period or expand the scope of use, encounter problems should be consulted with health care professionals.