Influenza spreads through the following channels: 1. respiratory droplet transmission; influenza patients sneeze, blow their noses, cough the influenza virus into the air and spread to the normal population through breathing in the form of droplets. 2. contact transmission: the patient’s nasal snot, saliva, sputum contaminated surrounding objects, the normal population is infected through contact with contaminated objects; 3. contact transmission: between husband and wife, children, relatives Infection through intimate behavior; it is recommended to wear masks and go out during influenza, wash hands regularly, and maintain personal hygiene to effectively prevent influenza virus infection.