近年来,我国儿童青少年的营养状况有了很大改善,但仍存在着许多营养问题,一方面营养不良没有根本解决,另一方面营养过剩现象日益突出[1]。这些问题的出现,主要是由于人们缺乏营养知识,不能合理地选择食物而造成的[2]。目前,我国普遍存在钙摄入不足的问题。为对小学生进行钙营养 In recent years, the nutritional status of children and adolescents in our country has greatly improved, but there are still many nutritional problems. On one hand, malnutrition is not fundamentally solved; on the other hand, the phenomenon of overnutrition is increasingly prominent [1]. The emergence of these problems is mainly due to people’s lack of nutritional knowledge, can not reasonably choose the food caused [2]. At present, there is a widespread problem of insufficient calcium intake in our country. Calcium nutrition for primary school students