The main modes of transmission of the new coronavirus include direct transmission, aerosol transmission and contact transmission. 1. Direct transmission: It mainly refers to the spread of infection caused by the droplets of the new coronavirus patient’s speech, sneezing, coughing, etc., which are directly inhaled by the uninfected people in the near distance. 2. Aerosol transmission: Aerosol refers to droplets mixed with air to form liquid particles suspended in the air, which is one of the carriers of the new coronavirus, and mainly occurs in closed environments. 3. Contact transmission: droplets containing the new coronavirus are deposited on the surface of objects, and after contact with the hands of uninfected people, then contact with the mucous membranes of the eyes, mouth, nose and other places leads to infection. In view of the main ways of transmission of the new coronavirus, the spread of the new crown can be reduced by wearing masks and other personal protection, reducing the gathering of people, paying attention to maintaining ventilation in public places, and doing a good job of daily disinfection.