The causes of children’s runny nose and nasal congestion are cold and allergic rhinitis, etc., which can be treated with medicines such as pediatric cold granules and chlorpheniramine maleate tablets according to the causes. 1. Colds: children may sneeze, have a stuffy nose and runny nose when they get cold, so they can take cold medicine such as pediatric cold granules to improve the symptoms of stuffy nose and runny nose, and at the same time, they should pay attention to warmth, drink plenty of lukewarm water, and eat a light diet. 2. Allergic rhinitis: If a child suffers from allergic rhinitis, a runny nose and stuffy nose may occur after contact with pollen and other allergens. Parents should pay attention to keep the child away from allergens, and at the same time take anti-allergy drugs such as chlorpheniramine maleate tablets, to improve the symptoms of a runny nose and stuffy nose. Children with runny nose and cough symptoms have more reasons, parents are advised to take their children to the hospital in time, with the help of the doctor to clarify the cause of the disease, and targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.