Two years and eight months old baby runny nose, mostly for cold or rhinitis and other causes, you can choose according to the cause of cold medicine or glucocorticoids and other treatment. 1. colds: if the baby runny nose is occurred after the cold, and accompanied by coughing, sneezing, fever and other manifestations, consider the occurrence of colds. Viral infection, generally to supportive treatment, and need to pay attention to rest, drink more water, supplemental nutrition, etc.; bacterial infection, need to use sensitive antibiotics for anti-infection treatment, such as cefixime, etc.. 2. Rhinitis: If you have a prolonged runny nose, accompanied by nasal congestion and other manifestations, consider allergic rhinitis. Saline nasal wash can be used regularly, and attention should be paid to stay away from allergens. In addition, there are other causes that can lead to similar symptoms. If you find that your baby has a clear runny nose, you should go to the hospital in time to get a clear diagnosis and then use the medication under the doctor’s guidance. All of the above medications should be used under the guidance of a doctor.