The common causes of nasal congestion in children’s noses are colds, allergic rhinitis, etc., and corresponding treatments can be taken according to different causes. If caused by colds, you can take cold medicine to relieve nasal congestion. 1. Colds: If you have a cold that causes nasal congestion, you can go to the hospital and check what type of cold it is. If it is bacterial, you can take antibiotics such as amoxicillin, and if it is caused by influenza viruses, you can take antiviral medications such as oseltamivir. At the same time, we should pay attention to avoid cold, indoor air circulation. 2. Allergic rhinitis: you can follow the doctor’s instructions to use nasal sprays, nasal vasoconstriction to relieve the symptoms of nasal congestion, such as mometasone furoate nasal spray, pay attention to the adverse effects of the drug, such as burning sensation of the nose, nosebleed, headache and so on. There may be other reasons for nasal dyspnea, you can go to the hospital to check, according to the cause of treatment. Follow your doctor’s instructions for medication.