A type of disinfectant with high-efficiency and low-toxicity. Safe and easy to use, and convenient for transportation. It can sterilize drinking water, swimming pool, tableware and air, fight against infectious diseases as routine disinfection, preventive disinfection and environmental sterilization in different places, act as disinfectant in raising silkworm, livestock, poultry and fish, and also can be used to prevent wool form shrinkage, bleach the textile and clean the industrial circulating water.