Preventing babies from catching cold can start with preventing babies from getting cold, improving babies’ physical fitness, and going to as few crowded places as possible. 1. Prevent the baby from getting cold: babies are prone to stirring the quilt when they sleep at night, which may result in cold and flu; do not wear too much clothing, if you wear too much, you will be prone to sweating, sweating pores are wide open, and if you encounter a cold wind, it is easy to lead to the baby’s cold, resulting in a cold baby. 2. Improve physical fitness: A well-balanced diet, adequate sleep, and moderate exercise can improve your baby’s physical fitness, maintain immunity, and prevent colds. 3. Try not to go to crowded places: in the high season of influenza, try not to go to crowded places, the baby resistance is relatively poor, easy to infected with viruses triggered by colds, in addition to pay attention to go out and come home in time to wash their hands. 4. Vaccination: you can get the flu vaccine in the high flu season to prevent the occurrence of influenza, in addition to pneumonia vaccine and other vaccines to choose from.