Mother's milk belongs to dairy products or milk, while Daluqi belongs to milk-containing drinks. Milk-containing drinks refer to a kind of milk drinks which are mixed by fermentation and non-fermentation, adding water, fruity agents, sweeteners and so on, and their nutritional indexes are different from pure milk.

According to the national regulations, only milk with protein content of 2.9% or more, non-fat milk solids of 8.1% or more and fat content of 3.1% or more can be called milk. Nowadays, there are many kinds of milk drinks in supermarkets, such as yogurt, fresh milk, fruit milk and so on. Although the names are very similar, the essence is very different. Fresh milk is milk with relatively high protein content and less loss of various nutrients.