The average daily drink milk quantity can be converted into 200 ml of milk to the old, and a third of the elderly average drink milk amount more. Milk is food of calcium in the most abundant sources, every 250 grams milk can supply 250-300 mg calcium, along with to the attention of the calcium nutrition, more and more people choose dairy as an important source of calcium. But, generally speaking, people often drink milk enough, this may be as part of the old lactose intolerance relevant. Yogurt lactose in the already after fermentation, and taste good, very suitable for old people drinking, but the Beijing city is a very small number of old people drink yogurt, this may be as the price is higher. The yogurt.