The causes of children’s nose airlessness may be cold, allergic rhinitis, blocked boogers, etc. Usually, general treatment or medication is used. 1. Colds: children can get colds after being infected by viruses, and may have symptoms such as coughing, sneezing, and a stuffy nose, etc. Oral pediatric antisense granules and antisense granules can be given, which are effective in improving nasal congestion. 2. Allergic rhinitis: the symptoms of sneezing and nasal airlessness appear after the child has been exposed to pollen. By taking oral anti-allergic drugs, such as levocetirizine, and at the same time paying attention to keep away from allergens, the symptoms of allergy will be controlled, and the symptoms of nasal airlessness will be improved as well. 3. boogers blocked: small children boogers more, they do not know how to pick the case will also appear in the case of the nose airtight, this time available sterile saline nasal cleaning, boogers clean nose airtight symptoms will improve. It is recommended to consult a doctor when your child’s nose is not permeable. The above medicines are recommended to be used under the guidance of a doctor.