中国幼儿(4～7岁)膳食钙参考摄入量为800毫克/天,我国对27个省、市普查表明,日摄钙量仅为标准的45％。面对铺天盖地的钙剂广告,家长花费了大量的金钱,却收效甚微,因为不同钙剂的吸收和其吸收机理、服用时间、方法以及机体所处的状态和日常膳食有很大关系。我国膳食构成主要是以含钙成分低的谷类食物为主,同时蔬菜供应量 China’s children (4 to 7 years old) dietary calcium reference intake of 800 mg / day, China’s 27 provinces, municipalities census shows that daily intake of calcium is only 45% of the standard. The face of overwhelming calcium ads, parents spend a lot of money, but with little success, because different calcium absorption and absorption mechanism, taking time, methods and the body in which the state and daily diet have a great relationship. China’s diet is mainly composed of low-calcium-based cereals, while the supply of vegetables