Nasal congestion in infants is mostly caused by acute upper respiratory tract infection or allergic rhinitis, different diseases have different treatments, and there is no ‘infant nasal congestion fast nose solution’ that applies to all cases. Acute upper respiratory tract infection, symptomatic treatment, combined with bacterial infection, need to use anti-infection treatment; allergic rhinitis need anti-allergy treatment, cetirizine and other drugs. 1. Acute upper respiratory tract infection: nasal congestion caused by acute upper respiratory tract infection can be applied to pediatric cold granules, with the application of antibiotics and antiviral drugs, such as cefixime, four seasons antiviral and other drugs, combined with physiological seawater nasal spray nasal spray, local hot compresses and so on. 2. Allergic rhinitis: in addition to nasal congestion, the typical symptoms of allergic rhinitis are nasal itching, sneezing, and generally watery nasal discharge. Mostly in the spring and fall season. First of all, avoid contact with allergens, you can local nasal physiological seawater nasal spray nasal spray. Use nasal spray glucocorticoid drugs, antihistamines and anti-leukotriene drugs under the guidance of a doctor. Infant nasal congestion may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The above medications should be used in accordance with medical advice.