YOU AN JING disinfectant, made up by sodium hypochlorite and sodium dodecylsulphonate, with broad-spectrum, high-efficient sterilizing effects and decontamination role. The active chlorine content is 5 ～5.5%(W∕V). This product has exterminate effect to hepatitis B virus, staphylococcus aureus, Escherichia coli, bacillus subtilis, spore，black variant spore and natural bacteria. It is suitable for the disinfection of family, hotel, hospital, catering services, public places, transportation and infectious disease epidemic area.