Flu prevention tips: 1. Wash your hands regularly, do not share towels, cups and other daily necessities, and do not spit anywhere to prevent contact with and spread the flu virus; 2. Ventilate your living room, office and school classroom frequently to reduce the number of bacteria and viruses gathered indoors and keep the indoor air fresh; 3. Avoid going to public places, such as shopping malls, movie theaters and other crowded places, as much as possible during the epidemic period. When encountering people who sneeze, try to keep a distance of more than one meter from them; 4. When visiting a hospital, it is best to wear a mask, which can effectively block bacteria and viruses; 5. According to the temperature change in winter, increase or decrease clothes appropriately to prevent from being.