维生素A(简称VA)是维持儿童生长发育所必需的物质。对机体代谢起着十分重要的调节作用,是评价儿童营养状况的重要指标。目前国内尚未见到有关儿童VA营养状况的报导,为此我们于1986年5月至6月间对天津蓟县774名3月～7岁儿童进行了血清VA测定。以求获得农村儿童VA状况的基本资料,并对我国儿童VA供给量标准进行初步探讨。 对象和方法 Vitamin A (VA) is necessary to maintain the growth and development of children. On the body metabolism plays a very important regulatory role is to evaluate the nutritional status of children an important indicator. At present, we have not yet seen any report about the nutritional status of children with VA. Therefore, we measured the serum VA in 774 children aged 3 months to 7 years old in Jixian, Tianjin from May to June, 1986. In order to obtain the basic information of rural children’s VA status, and to provide a preliminary discussion on the VA supply standard of children in our country. Objectives and methods