Winter and spring is the season of respiratory infections, especially children, immune function is relatively low, and in kindergarten or elementary school and other collective group living situation, especially prone to cause respiratory colds. How to prevent each parent and teacher are very concerned, children’s cold prevention measures are specifically as follows: 1, children are advised to develop regular, good habits, wash their hands before and after meals or after going out, hand hygiene is a very major factor in the prevention of colds; 2, the living environment should often open windows and ventilation, natural ventilation is very effective in air purification and dilution of respiratory pathogens; 3, in the kindergarten or family If you have a cold patient, whether it is an adult or a teacher or a classmate, it is recommended to isolate as much as possible and not to affect everyone. Because respiratory infections are a relatively fast-spreading disease, so infants and young children’s respiratory prevention is important to improve sanitation and general knowledge of hygiene; 4, there are influenza vaccination, before the arrival of the flu season, usually around September to try to let children inject influenza vaccine prevention.