Kitchen knives are used for the preparation of meals in all catering facilities. Generally blades of knives contact with a variety of products, each of which has a its own microenvironment. For disinfection of knives and other cutlery there are knife sterilizers, which prevent harmful bacteria and germs generation. Herewith, sterilizers don’t affect adversely the treated cutlery. Typically, sterilizers are made of stainless steel chamber inside which the process of disinfection occurs. Depending on the model and the time needed for sterilizing there are special control timers. Kitchen knives are fixed inside the sterilizer with the help of magnetic bars or special fixing locks. The design of sterilizer allows to fix them to any vertical surfaces, that greatly facilitates the process of exploitation. Knife sterilizers, depending on the operating principle are devided into UV, ozone, water sterilizers . UV sterilizers provide complete destruction of all bacteria and microbes. Desinfection of kitchen knives can also be made using water or ozone sterilizers.