Low fever, sneezing and runny nose are symptoms of a cold. More than 85% of colds in children under 3 years old are caused by viral infections, and common viruses include rhinovirus, influenza virus, parainfluenza virus, respiratory syncytial virus and adenovirus. In addition to the influenza virus can be treated with special drugs oseltamivir, other viral colds are not yet effective drugs for treatment, so babies with low fever, sneezing, mild cold symptoms do not rush to use drugs, you can give your baby some juice or water. If the body temperature is 37.5-38.0℃, you can take pediatric aminoguanamine granules orally. Colds are common in children under 3 years old and may occur 5 or more times a year. Through each cold, the baby’s immunity will gradually strengthen. Excessive medication is harmful to your baby, and colds will usually be cured after 3-5 days. If the fever worsens or is accompanied by a cough, prompt medical attention is needed.