For younger infants and young children, if there is no obvious symptoms of coughing and breathlessness, it will be caused by laryngeal cartilage underdevelopment, generally do not need special treatment, pay attention to calcium supplementation, most of them can be gradually relieved after 2-3 years old. For older children, it may be caused by enlarged tonsils or adenoids. If the obvious sleep snoring, open mouth breathing, it is best to surgical treatment, especially for children aged 4-6 years old, easy to cause dental and maxillofacial bone development abnormality, surgical treatment is the root of the cure, you can also try nebulizer inhalation treatment, the treatment effect is not good and then choose surgery.