If your baby has a runny nose all the time and taking medication is not good, taking general medication has no long-term therapeutic effect, you can apply antihistamines, nasal glucocorticoids and wash the nasal cavity with physiological sea saline, as follows: 1. Apply antihistamines for symptomatic treatment: children’s long runny nose is mainly caused by chronic rhinitis and other conditions, antihistamines can effectively reduce the amount of nasal secretion and improve Antihistamines can effectively reduce the secretion of nasal discharge and improve the symptoms of runny nose. Antihistamines can be used as second generation antihistamines, such as cetirizine syrup or loratadine syrup, etc.; 2.Application of nasal glucocorticoids: some children with long runny nose are caused by chronic rhinitis, especially allergic rhinitis, in this case, the application of nasal glucocorticoids can play a good therapeutic effect; 3.Cleaning nasal cavity with physiological sea salt water: physiological sea salt water can effectively Reduce the amount of nasal secretion, also can treat the symptoms of runny nose.