A runny nose in babies is a common symptom of pediatric colds. Generally, along with a runny nose, a child can have a stuffy nose and fever, an uncomfortable throat and other symptoms. So it is important to take active measures to relieve your child of these uncomfortable manifestations. Most of the children’s colds are viral infections, so first of all, give your child more water, more water can promote the excretion of viruses, you can use a warm towel hot compress on the root of the nose to relieve the symptoms of a runny nose and nasal congestion, you can also use physiological sea saline to rinse the nasal cavity, 2 to 3 times a day, for the relief of a runny nose can achieve better results, try to avoid taking drugs. For babies with particularly severe runny nose, they can take medication. For children over one year old, they can also take some compound cold medicines, such as pediatric aminophenol xanthamine granules or pediatric aminophenol and ammonia granules, if they are combined with fever and other manifestations. For babies with clear nose, there is also a possibility of allergic rhinitis, when the child encounters cold air or smells a special smell, accompanied by sneezing and clear nose this situation, we can give the child to use nasal spray, such as budesonide nasal spray. In conclusion, the two common causes of clear nose in children are cold and allergic rhinitis. Once the diagnosis is clear, treatment as described above will be sufficient.