Aerosols are not harmful in themselves, but if they carry certain disease-causing bacteria or other pathogens, they can form a vector that can cause illness and harm the body. Aerosols are gaseous dispersion systems consisting of solid or liquid particles suspended in a gaseous medium. In addition, aerosols, due to their properties, form a larger spread, which can result in a larger spread if they carry pathogens. Aerosols are also one of the vectors for the spread of the new coronavirus. When the virus is exposed to a localized aerosol system, it may drift with the diffusion of the aerosol, thus causing cross-transmission through the aerosol. Usually should pay attention to personal life and diet hygiene, pay attention to indoor air ventilation and disinfection, try not to go to public places, strengthen personal protection. If the body suffers from the disease appears uncomfortable symptoms, should go to the hospital as soon as possible formal treatment.