There is no most effective solution for a one year old baby’s cough. Baby cough may be due to upper respiratory tract infection, bronchial foreign body, allergies and other reasons, should be based on the specific circumstances to choose the most effective treatment, can be treated by taking medication, take out the foreign body, change the environment and other methods of treatment. 1. Upper respiratory tract infection: more than one year old baby immunity is low, easy to be invaded by foreign pathogens, thus appearing cough symptoms. Most of them are caused by viruses, and generally do not require special treatment with antiviral drugs. If the combination of bacterial infection, can use cefixime, amoxicillin and other antibacterial drugs; if the influenza virus caused by the application of oseltamivir and other antiviral drugs treatment. 2. Bronchial foreign body: If a one-year-old baby inhales a foreign body into the airway by mistake, it can lead to symptoms of coughing. In this case, it is recommended to consult a doctor in time and remove the foreign body under the guidance of the doctor. 3. Allergy: If a one-year-old baby is exposed to allergic substances in the surrounding environment, such as pollen, dust mites, etc., and develops allergies, he or she needs to stay away from allergens and change the environment in a timely manner. If the one-year-old baby cough is more serious, it is recommended to consult a doctor in a timely manner, improve the relevant examination, clarify the cause of the disease, line targeted treatment or treatment. The above medication should be used under the guidance of a doctor, avoid self-medication.