沈阳市妇幼保健所对近80所大中型托幼机构用微机进行在托儿童饮食营养监测,监测结果发现儿童的饮食中钙、维生素A、维生素B_2、维生素C普遍存在严重不足的现象。如果长期缺乏以上各种营养素,会给儿童的身体带来危害。钙是骨骼的建筑材料,儿童正处于生长发育时期,因此钙的供给不足会影响儿童骨骼的成长;另外血钙过低还会引起低钙性抽搐。缺乏维生素A患儿夜盲症、皮肤粗糙等。维生素B_2缺乏易患口腔粘膜溃疡。维生素C缺乏易患牙龈出血、鼻 Shenyang Maternal and Child Health Care Institute of nearly 80 large and medium-sized care institutions using microcomputers in child care nutrition monitoring, monitoring found that children’s diet calcium, vitamin A, vitamin B_2, vitamin C widespread serious shortage phenomenon. If the long-term lack of the above nutrients, will bring harm to the child’s body. Calcium is a bone building material, children are in the period of growth and development, so the supply of calcium will affect the growth of children’s bones; the other will also cause low calcium calcium seizures. Lack of vitamin A children with night blindness, rough skin and so on. Vitamin B 2 deficiency is prone to oral mucosal ulcers. Vitamin C deficiency easily bleeding gums, nose