Children’s frequent nose airlessness is mostly considered to be caused by disease factors, such as suffering from nasal inflammation, nasal polyps, nasal septum deviation, and so on. 1. Nasal inflammation: Infection or allergy causes inflammation of the child’s nose, so that the nose appears purulent secretions blocking the nasal cavity, or inflammation stimulation leads to adenoid hypertrophy, the symptoms of the nose is not breathable. 2. Nasal polyps: the child’s nose has nasal cavity or sinus mucosal tissue benign swelling hyperplasia, when the nasal polyps will block the nasal cavity, resulting in the child’s nose airlessness, usually accompanied by runny nose, post-nasal drip, facial distension and pain and other symptoms. 3. Deviated nasal septum: mostly caused by nasal trauma and abnormal development of nasal cavity, mainly manifested as persistent nasal congestion, which may be accompanied by nosebleed, headache and other symptoms. Parents are advised to bring their children to the doctor in time, and the doctor will clarify the cause of the disease and then carry out targeted treatment.