For six-month-old babies, upper respiratory tract infection is a common disease, the treatment needs to strengthen the care, oral four seasons antiviral combination and other treatments. For six-month-old babies with upper respiratory infections, most of them are caused by viral (e.g. rhinovirus, respiratory syncytial virus, etc.) infections, and some of them may be secondary to bacterial infections, and clinical symptoms such as fever, nasal congestion, runny nose or cough may occur. Treatment needs to strengthen the daily care, such as pay attention to open windows and ventilation, discretionary increase or decrease of clothing, etc., for the baby with elevated temperature needs to be reasonable antipyretic, such as body temperature more than 38.5 ℃, the need to use ibuprofen or acetaminophen reasonable antipyretic, nasal congestion symptoms can be used to ease the discomfort of physiological saline local nasal drops. For secondary bacterial infection, antibacterial drugs (such as cefaclor) should be used to fight infection. If your baby has any of the above symptoms, it is recommended to go to the hospital in time for treatment under the guidance of a specialist. All of the above drugs should be used under the guidance of a physician, avoid self-medication.