First, milk has a calming effect on the human body. People will feel calm after eating milk, so drinking a glass of milk before going to bed at night will play a role in calming the nerves and promoting sleep.

Second, milk can treat gastric and duodenal ulcer diseases. Milk also has an anti-gastric cancer effect.

Third, milk and fermented yogurt can reduce cancer. Among carcinogens, 85% are mutagenic, so drinking milk or yogurt often has an anti-cancer effect.

Fourth, infants drinking milk can promote their intellectual development. When lactose in milk is digested, 1 molecular glucose and 1 molecular galactose are produced. Galactose is a component of brain and nerve tissue. Therefore, milk can promote intellectual development.

Fifth, giving children milk can promote their growth and development. According to the experiment, the weight and height of children who drink 500 ml of milk every day are nearly 1 times higher than those who don't drink milk (after 1 year experiment).