84 disinfectant is effective in inactivating novel coronaviruses. 84 disinfectant, whose main active ingredient is sodium hypochlorite, is a very efficient disinfectant. Current epidemiological data indicate that the novel coronavirus is UV and heat sensitive and that a variety of chlorinated disinfectants are effective in inactivating the virus. Families often use 84 disinfectant diluted for disinfecting surfaces of household items; they can also wipe doors, windows, floors, walls, tiles, glass, mirrors, tables and chairs with a rag dipped in diluted 84 disinfectant. After wiping, pay attention to opening windows and ventilating the room to release chlorine ions from the room to avoid inhalation damage to the body. In addition, 84 disinfectant should not be mixed with toilet bowl cleaner, the mixture of the two can produce toxic gases, which can be fatal.