Baby sleeping nose ventilation, snoring, mainly because the upper airway becomes relatively narrow, so the snoring situation, the common reasons are as follows: First, the most common reason is respiratory viral infection caused by acute upper respiratory tract infection, can lead to nasal congestion, nasal mucosal secretions increase, causing the nose ventilation snoring; Second, if the child itself exists in the chronic rhinitis, sinusitis, in viral Second, if the child has chronic rhinitis, sinusitis, in the virus, bacteria, mycoplasma and other infections, can be an acute attack of this situation; third, there are some children’s nose is not ventilated, because of congenital nasal problems, such as nasal septum deviation, adenoid hypertrophy and so on. There are also some children because the nasal cavity has polyps or foreign bodies and other conditions, can also appear nose not ventilated, snoring situation.