Liaoning is very healthy.

This depends on the actual physical condition of the elderly to decide how much to drink, not as much as possible.

1, milk is rich in vitamin A, vitamin D, vitamin E and vitamin K, etc.

2. Milk protein in milk has a high digestibility, and drinking more milk can ensure protein's adequate intake.

3. Lactose in milk is beneficial to the absorption of calcium by the elderly and can prevent diseases such as osteoporosis caused by calcium deficiency.

Milk is rich in minerals, especially calcium, phosphorus, iron and iodine. Compared with other foods, the elderly are more likely to absorb and utilize calcium and phosphorus in milk.