Towels soaked in disinfectant should be stored in a sealed container in the kitchen for 10 to 30 minutes, and the soaking time is 10 to 30 minutes. All sterilized items should be soaked in water and rinsed with clean water before use. Disinfecting water is irritating and corrosive to some extent, and it must be diluted before use. Generally, the dilution concentration is 2/1000 to 5/1000, that is, 2 to 5 ml of 84 disinfectant is put into 1000 ml of water.