The baby has been running nose should hang ear, nose and throat department, the baby runny nose or runny nose is often caused by colds, usually in the winter time because of the temperature changes, often cause the baby colds happen, and runny nose is many babies in the cold more common symptoms. If the baby is allergic, there will also be the possibility of allergic rhinitis, allergic rhinitis symptoms are repeated runny nose, parents should give the baby timely treatment. Babies are relatively young, many functions are in the developmental period, so usually pay more attention to temperature changes, drink more warm water, indoor ventilation, you can properly clean the nose, pay attention to environmental hygiene, which can also avoid the occurrence of the baby’s runny nose. If the baby in the runny nose accompanied by other symptoms should be timely treatment, so as not to affect the baby’s health.