Humidifier for children’s impact is very small, especially in the weather is relatively dry, this time in the fall and winter seasons, the appropriate application of children’s humidifier, can help the humidification of the airway, to prevent children’s airway dryness, prone to viral infections as well as cause irritating dry cough and other situations. Especially children’s constitution is internal heat constitution, there will be red tongue, tongue coating is relatively yellow, dry stools, children drink water is not particularly much, the appropriate application of humidifiers on children’s health benefits. In summary, it can be seen that the application of humidifiers on children’s health is favorable, parents can be appropriate application.