Room disinfection is recommended to use 84 disinfectant, 75% of the medical alcohol can also be used for room disinfection of the surface of the object, it is not recommended to use spray disinfection, room disinfection with 84 disinfectant must be used to dilute the disinfectant, in accordance with a certain ratio, generally 1:99 ratio, that is, 1 part of 84 disinfectant need to add 99 parts of water. Diluted 84 disinfectant can be used to mop the floor, wipe the surface of objects, wash the toilet and spraying, the use of 84 disinfectant must open the window to ventilate for more than 1 hour, because 84 disinfectant has an irritating taste and corrosive, the use of 84 disinfectant wipe the surface of the object is best to use water and then wiped 1 times.