Milk helps to grow taller. Because milk contains six nutrients, it is the nutrient needed for the growth and development of human new organs; In fact, if you don't drink a cup of milk (240 C C) every day, you will often be short of calcium intake. The nutritional value of milk covers six kinds of nutrients: * protein-constitutes the hair, skin, nails, muscles, organs, cells, nerves, bones, brain tissues, hormones, antibodies, and determines the basic components of genetic genes, which is the most needed nutrient. * Fat-the function of transporting vitamins A, D, E and K, and providing various fatty acids necessary for the body. * Carbohydrate-mainly the supply of lactose, is the most important energy source and promotes the growth of beneficial bacteria in the intestine. * Moisture-88% of milk is water, which is the basic substance of chemical reaction and organ interaction in human body. * Vitamins b2, b6, b 12, nicotinic acid-beneficial for the body to utilize nutrients, promote metabolism and maintain the health of organs and tissues. * Vitamin A-has antioxidant function, prevents human body from being infected by bacteria, and maintains normal vision and skin health. * Vitamin D-helps the absorption of calcium, which is necessary for bones and teeth. * Calcium-99% of it exists in human bones, and it is also needed for muscle contraction, normal heart rhythm, blood coagulation, enzyme production and nerve conduction. * Potassium, sodium, chlorine and magnesium * * * work together to maintain endocrine balance, maintain health and normal operation of various organizations. A small glass of milk contains many ingredients with high nutritional value. Among 15 kinds of essential minerals, six of them need a lot of calcium, phosphorus, magnesium, potassium, chlorine and sodium, which are rich in content, but iron is not much but is well absorbed. For obese people who are worried about eating too much fat, drinking low-fat milk is the most suitable.