One year and two months old baby’s runny nose may be caused by cold, allergic diseases and so on, according to the cause of the disease can be used to relieve the symptoms of cold and flu medication such as pediatric aminophenol xuanamin granules, antihistamines such as cetirizine hydrochloride drops and so on treatment. 1. Colds: babies with colds may have fever, runny nose, sneezing and other symptoms, which can take pediatric aminophenol xuanamin granules to relieve the symptoms of runny nose, while parents should pay attention to let the baby rest, drink more hot water, and pay attention to indoor ventilation. 2. Allergic diseases: If a one year and two months old baby in contact with pollen and other allergens after the symptoms of a runny nose, then consider that it may be caused by allergies. At this time, the baby should be away from pollen and other allergens, but also can take cetirizine hydrochloride drops and other antihistamines to improve the symptoms of a runny nose. One year and two months old baby symptoms of a runny nose, parents are advised to take the baby to the hospital to identify the cause, and related treatment, the above medication should be used under the guidance of a doctor, avoid self-medication.