Under normal circumstances, if you put pure milk outdoors or in the cold storage area of refrigerator, it will not freeze. However, when the outdoor temperature is too low, pure milk is likely to freeze from the outside to the inside. Therefore, it is suggested that pure milk should be placed in the cold storage area of the refrigerator when the temperature is low in winter.

3. Pure milk contains protein, fat, vitamins, minerals and other nutrients, which is a kind of drink with rich nutritional value.