The Dietary Guidelines for Chinese Residents (2016) recommend drinking about 250 ml of milk per day, 500 ml for pregnant women and lactating mothers, and if you drink too little milk, it may cause a lack of calcium. Because milk is a very good carrier of calcium, milk is not only high in calcium content and high absorption rate, appropriate drinking milk in the prevention of osteoporosis is very obvious benefits. But milk can not drink too much, because from the point of view of Chinese medicine, milk is cold, if you drink too much milk for the body’s balance of yin and yang to produce a certain burden, which will also cause disease.