Children sleeping with a blocked nose may be caused by upper respiratory tract infection, rhinitis, adenoid hypertrophy, etc., need to be under the guidance of the doctor to carry out targeted treatment, such as medication, surgical treatment. 1. Upper respiratory tract infection: that is, the daily said cold, usually children will feel the nose blocked while sleeping, may use the mouth to breathe and other symptoms. Under the guidance of the doctor can use sea salt water nasal spray, dilute nasal secretions, if necessary, can be negative pressure under medical operation to attract nasal secretions. 2. Rhinitis: the baby suffers from acute rhinitis, infection can lead to nasal mucosal congestion and edema, increased secretion, there can be a blocked nose, may also be accompanied by tearing, or daytime nasal blockage for no reason, in addition to the above sea-salt water nasal spray, but also comply with the doctor’s instructions, plus the use of hydroxymethazoline hydrochloride spray nasal spray, contraction of the nasal mucosal vasculature, to reduce the secretion, plus antibiotics, such as amoxicillin clavulanic acid potassium anti-infectives. Treatment. 3. Adenoid hypertrophy: children are prone to adenoid hypertrophy, especially younger children are more likely to occur. Sleeping will appear breathlessness, nose blocked ventilation situation, generally the baby into puberty adenoids will gradually shrink, but if the serious impact of the baby ventilation. Parents need to pay attention, if necessary, surgical removal of adenoids, improve the above symptoms. In summary, the lungs children sleeping with a blocked nose without ventilation symptoms appear more causes, should be timely consultation, given by the doctor targeted treatment, do not blindly self-medication, so as not to aggravate the condition.