手指全血测锌、铜、铁、钙、锰、镁微量元素７０９例儿童，３岁以内男女童之间各种元素改变无差别，４～７岁女童锌、铁缺乏明显多于男童，各年龄组锌、铁、钙、铜改变以缺乏为主，锰、镁改变则增高为主，体检儿童与佝偻病、厌食患者锌、铁及同缺二、三项比较差别显著，而钙缺乏三组间无差别。 Fingertip blood of children with zinc, copper, iron, calcium, manganese, magnesium trace 709 cases of children, within 3 years of age between the boys and girls did not change the various elements, 4 to 7-year-old girl zinc and iron deficiency was significantly more than boys, The changes of zinc, iron, calcium and copper in each age group were mainly lacking while the changes of manganese and magnesium were mainly increased. There was a significant difference between zinc deficiency, iron deficiency and deficiency in children with rickets and anorexia, No difference between groups.