1. Potassium in milk can keep arterial blood vessels stable under high pressure and reduce the risk of stroke. 2. Milk can prevent the human body from absorbing the toxic metals lead and cadmium in food. 3. Amino acids in milk can promote the increase of serotonin. 4. Iron, copper and lecithin in milk can greatly improve the working efficiency of the brain. 5. Calcium in milk can increase bones and teeth and reduce the occurrence of skeletal atrophy. 6. Magnesium in milk can make the heart anti-fatigue. 7. Zinc in milk can make the wound heal faster. 8. Vitamin B in milk can improve eyesight. 9. Drinking milk regularly can prevent arteriosclerosis. 10, milk has high calcium content and good absorption. 1 1, drinking milk before going to bed can help you sleep. 12, the content of pure protein in milk is high, so drinking milk often can beautify your face.