Influenza is influenza, which can be prevented by strengthening personal protection, improving body resistance and vaccination. 1. Strengthen personal protection: Influenza is an acute infectious disease caused by the influenza virus, which spreads mainly through contact and droplet transmission. To prevent influenza, we need to strengthen personal protection, for example, during the influenza epidemic, pay attention to weather changes, increase or decrease clothing to avoid catching a cold; avoid contact with influenza patients, and go out with a mask; wash your hands regularly, and keep the room clean and well ventilated. 2. Improve immunity: You can improve your own resistance and immunity through physical exercise, such as running, jumping rope, etc., so as to prevent the invasion of influenza virus, which is also useful for the prevention of influenza. 3. Vaccination: Influenza vaccination is the most effective means of preventing influenza, which can significantly reduce the risk of influenza and serious complications for the vaccinated. In particular, the elderly, children, people with weakened immunity and other susceptible groups as well as people prone to complications should be actively vaccinated to prevent the virus from infecting them.