The effect of nebulization for cough is very good, knowing that the occurrence of cough is related to the central and peripheral sensitization of human cough, and nebulization can reduce the sensitivity of the receptors after the peripheral receptors are stimulated, so that the cough can be better treated, especially for coughs in asthma or coughs with increased airway sensitivity, such as cough variant asthma and post-infection coughs, which are more effective with nebulized inhalation However, the effect of nebulization for other types of coughs is less satisfactory, such as bronchitis, bronchiectasis or lung cancer, for which nebulization is not effective. Therefore, the specific cause of the cough should be clarified before nebulizer treatment in order to receive better results.