Pediatric nasal mucosa is more rich in blood vessels than adults, secretions are also more, in contact with the external environment is easy to produce a runny nose, such as allergic, wind-cold cold may lead to runny nose. Children because of cold caused by nasal mucosal congestion and edema secretion is often white or watery nasal discharge, if the child’s mental state at this time, you can not have to deal with, just need to clean up his nasal secretions, if accompanied by obvious blockage, affecting sleep and breathing, you can use physiological sea salt water to rinse the nasal cavity, with the nasal aspirator will be nasal secretions sucked out of the symptoms of relief of nasal congestion. The pediatrician can use physiological sea salt water to rinse the nasal cavity, and with a nasal aspirator to suck out the nasal secretions to relieve the symptoms of nasal congestion. Children with prolonged symptoms of nasal discharge, especially after receiving certain stimuli, nasal discharge increased rapidly or symptoms for more than half a month, the effect of cold medicine is not good suspected allergic rhinitis. It is necessary to check the allergens, avoid contact with allergens after clarification, and at the same time enhance the child’s resistance, (for example, you can use some resistance-enhancing drugs, diet and physical exercise to strengthen), and can be used to prevent allergic rhinitis by spraying the nose with Menglustat sodium treatment. Acute allergic rhinitis can be treated, if you do not give the child standardized and thorough treatment, may cause chronic rhinitis, sinusitis. So baby runny nose must be dealt with early, do not leave sequelae for the child.