Milk is usually labeled as full-fat, low-fat, or skim. The difference lies in the fat content in dairy products. The fat content of whole milk is about 3.5%, low-fat milk is about 1.5%, and skim milk is 0, which means the fat is completely removed. Different people can choose milk with different fat content according to their own needs. For those who exercise, fat intake must be strictly controlled. It is recommended to choose skim or low-fat milk. People who need energy and calorie supply can drink whole milk.

In addition, in terms of taste, whole milk tastes better because the fat contained in it tastes like milk, so drinking whole milk is more similar to real milk, while drinking skimmed milk will taste lighter. Some, similar to drinking water, so some people prefer to drink whole milk. If you want to strictly control dietary energy intake, such as for dietary treatment of diabetes or fitness enthusiasts who need to strictly control body fat, they will generally choose low-fat or skim milk.