Dairy drinks are highly nutritious and easily digestible drinks prepared on the basis of milk, with the addition of lactic acid bacteria, fruit and berry juices, spices, aromatic or flavoring substances. These include: cocoa, kefir, koumiss, whey, eg-nog, yogurt, curdled milk, ayran. In addition, baristas use milk to make cocktails and smoothies: coconut-nut, coffee-banana, strawberry, cranberry, cherry, vanilla, honey-spicy, latte, mocha frappe. It produces excellent kefir, which is a source of beneficial lactic acid bacteria. The greater their number, the higher the value of the product.