Children’s runny nose may be caused by environmental factors, or caused by colds, rhinitis and other diseases, in the treatment of the main according to the cause of the use of different antibiotics or anti-allergy drugs and other treatments. 1. Environmental factors: because of the cold air stimulation, can cause the baby’s nasal mucosa secretion increase, you can use a hot towel hot compress nose, do a good job of warm treatment, reduce the cold air stimulation. 2. Colds: you can use anti-sense granules or cold granules and other anti-cold drugs to do the treatment. If accompanied by nasal congestion, you can use saline to rinse the nasal cavity. 3. Rhinitis: acute rhinitis, you can use amoxicillin clavulanate potassium or cefaclor and other drugs for anti-inflammatory; allergic rhinitis, you can use levocetirizine and other antihistamines. It is recommended that small children with a runny nose go to the hospital in time, according to the doctor’s guidance and medication.