The omicron virus can survive for hours in the air. Omicron is a mutated strain of the new coronavirus, which is more contagious, and studies have now shown that Omicron can survive in the air for several hours, can survive on the surface of the skin for nearly 21 hours, and is able to survive on the surface of plastics at room temperature for 193.5 hours, and can be transmitted for 7 days on smooth surfaces, such as glass, plastics, stainless steel, and so on. Therefore, Omicron viruses are highly transmissible, mainly asymptomatic and mildly symptomatic after infection with Omicron, symptomatic people mainly manifested as fever, sore throat, dry throat, nasal congestion, runny nose and other symptoms of upper respiratory tract infections. Carrying a mask when going out is still an important way to prevent the spread of the new coronavirus, and when touching foreign objects such as couriers and parcels, it is necessary to do timely disinfection.