84 disinfectant is useful for new coronaviruses. New coronavirus can be effectively inactivated by using lipid solvents such as chlorine-containing disinfectant, 75% ethanol, peroxyacetic acid and chloroform. 84 disinfectant can effectively inactivate the virus and is a highly effective disinfectant with sodium hypochlorite as the main component, containing chlorine disinfectant, which can serve the purpose of inactivating the new coronavirus. 84 disinfectant is a colorless or light yellow liquid that needs to be diluted before use and is suitable for use on the surface of objects, white clothing, and disinfection of contaminated items in hospitals.