In the flu season, you can prevent influenza through influenza vaccination, reasonable medication, and good personal protection. 1. Influenza vaccination: Children and adults under 65 years old can reduce the incidence of influenza by 70~90% if they receive influenza vaccination in time, and older people over 65 years old can reduce the incidence of influenza by 30~40% if they receive influenza vaccination. In the influenza epidemic season, children, the elderly and people with low immunity should give priority to influenza vaccination. 2. Reasonable use of medication: for the unprotected population and nursing home personnel can be prevented by drug prevention of influenza, amantadine and amantadine ethylamine can prevent influenza A, oseltamivir prevention of influenza A and influenza B have a certain effect, the drug used under the guidance of a doctor. 3. Do a good job of personal protection: in the influenza epidemic season, individuals must pay attention to do a good job of protection, such as wearing masks, avoid going to crowded public areas, wash your hands, eat a reasonable diet, away from cigarettes and so on. During the influenza epidemic season, individuals suspected of having influenza should not only pay attention to treatment, but also pay attention to isolation to avoid spreading the disease to others.