The most effective way to relieve a one-year-old’s cough and runny nose is to treat the cause. For example, if allergic reaction is caused by allergens, follow the doctor’s advice to stay away from allergens and actively anti-allergy treatment; if upper respiratory tract infection is caused by allergens, follow the doctor’s advice to anti-infection treatment and so on. 1. Due to allergic reaction: the above symptoms will easily appear when contacting allergens. It is recommended to identify the allergens immediately, keep away from allergens, pay more attention to rest, and take cetirizine drops and other anti-allergy treatments as prescribed by the doctor if necessary. 2. Upper respiratory tract infections: you can improve the blood routine, according to the results of the blood routine empirical medication, can follow the doctor’s instructions to take amoxicillin, cefixime and other anti-infective; if it is caused by viral infections, most of the cases have no specific treatment, can be followed by the doctor’s instructions to be aminobromine nebulization and other symptomatic supportive treatment. It is recommended that during the baby’s treatment, we must pay attention to maintain a light diet, avoid adding greasy, spicy stimulating diet, ensure adequate sleep, etc., to help improve the discomfort. One year old baby cough and runny nose, should be timely consultation, active treatment, clear cause and symptomatic treatment, so as not to miss the condition.