Milk is rich in calcium and can promote the development of bones. Adolescents grow and develop rapidly in adolescence. Appropriate supplementation of milk can supplement calcium. It can promote the development of bones, thus making the height develop well.

Milk is one of the oldest natural drinks and is known as white blood.

Milk is rich in nutrients such as protein, fat, vitamins and minerals, and milk protein contains amino acids necessary for human body. Milk fat is mostly short-chain and medium-chain fatty acids, which are easily absorbed by the human body; Potassium, phosphorus, calcium and other minerals have reasonable proportions and are easy to be absorbed by the human body.