Ozone is a kind of extensive, rapid and efficient fungicide, it can kill a variety of people and animal pathogenic bacteria, viruses and microbes. It disinfection mechanism is: in a short period of time through the destruction of bacteria, viruses and other microorganisms the structure, so that loss of viability. Ozone sterilization is fast, when its concentration reaches a certain value, sterilization and even instant. Ozone on a lot of bacteria, fungi, viruses, fungi, protozoa, oocysts are obvious inactivation, sterilization time and to run, very quickly, is 300 to 600 times chlorine, UV 3000 times. 
 Because ozone has a magical effect of the above, it can be widely used in medical, health care, food and beverage processing and storage, sterilization of fresh fruits and vegetables, drinking water treatment, building secondary water treatment, hospital sewage and industrial waste water treatment, fisheries aquaculture, swimming pools, disinfection and sterilization, and public places, home and other fields and achieved remarkable results. Therefore, the ozone and the use of technology is recognized worldwide as the twenty-first century, the four key science of environmental protection technologies. So far, Europe and other developed countries of the urban water supply, 90% of ozone for disinfection and sterilization are used. Even France, the United Kingdom, the United States, Japan, Korea and other countries have passed legislation to require all drinking water must be disinfected by ozone terminal in order to provide to the user.