Infant nasal congestion and runny nose is usually caused by upper respiratory tract infection, allergic rhinitis and other factors, clinical treatment measures include drug therapy and general treatment. 1. Upper respiratory tract infection: the baby can make the performance of nasal congestion and runny nose, usually pay attention to the ventilation of the room, you can use physiological sea salt water to clean the nasal cavity, to keep the respiratory tract open. If caused by viral infections, there are no specific drugs; if bacterial infections, you can use cefaclor, cefixime, penicillin and other antibiotic treatment; if caused by influenza virus, you can use oseltamivir phosphate treatment. 2. Allergic rhinitis: mostly caused by contact with allergens, which can also cause the above symptoms in infants, we need to pay attention to stay away from allergens in daily life, and wear a good mask when going out. The use of physiological sea salt water to clean the nasal cavity can relieve the symptoms, if necessary, can follow the doctor’s instructions oral cetirizine drops and other antihistamine drugs. All of the above drugs should be used under the guidance of a doctor, avoid self-medication. The symptoms of nasal congestion and runny nose in babies may also be due to other diseases, and it is recommended to consult a doctor in time to be evaluated or treated by a specialist.