The paper describes the results of recent research in the field of sonochemistry of the dairy products which was conducted from Australia, Russia, Belarus and Estonia. This work is related to the technology of preparation of composite formula milk from natural milk, vegetable oils and dry milk products with cavitation treatment of water used. She is devoted to obtaining a homogeneous mixtures of dairy semiproducts, from which subsequently produce dairy products such as cottage cheese or cheese, where most of the water is removed with sera. It is shown that sonochemical water treatment has a positive effect on the entire process and its outcome
