There are many reasons for children’s nasal congestion, and it is necessary to identify the cause of the problem and target treatment. If the cold is caused by saline nasal spray, if allergic rhinitis can take loratadine, etc., need to follow the doctor’s instructions for medication. 1. caused by colds: colds are mostly respiratory diseases caused by viral infections, which can cause nasal mucous membrane congestion, nasal congestion, often accompanied by runny nose, fever, cough and other symptoms. Saline nasal spray can be used to rinse the nasal cavity, clean up secretions, relieve nasal congestion. At the same time, you can take pediatric aminophenol xanthamin granules and other anti-cold treatment. 2. Allergic rhinitis: If you encounter allergens such as pollen, dust and other allergic rhinitis attacks, can lead to nasal mucosa congestion and edema, causing nasal congestion, sneezing, runny nose and other symptoms, oral loratadine and other drugs to fight allergies, relieve nasal congestion. Or use fluticasone propionate nasal spray and other hormonal preparations to relieve nasal congestion and so on. Children with nasal congestion may also be caused by nasal polyps, sinusitis, etc., should be promptly consulted, according to the different causes of symptomatic treatment. The use of medication should follow the doctor’s instructions.