Dew disinfectant can not kill the new coronavirus Dew disinfectant is mainly composed of p-chloro-m-xylenol, studies have shown that its disinfecting effect is low to medium effect, no inactivation of the new coronavirus, but can be used for household disinfection cleaning, etc., inactivation of the new coronavirus is mainly through physical or chemical methods. Physical methods: New Coronavirus can be inactivated at a temperature of 56°C for 30 minutes; secondly, New Coronavirus can also be inactivated by UV radiation for a certain period of time. Chemical methods: 75% alcohol, peroxyacetic acid, ether, chlorine disinfectants, etc. can inactivate the virus. It is worth noting that chlorhexidine has no effect on inactivating the virus. In addition to the above methods, life can be through the wearing of masks, hand washing, less crowded places and other measures to prevent the new crown virus. Warm tips, usually pay attention to the appropriate protection to prevent infection.