报道了１９９０ ～１９９９ 年湛江市０ ～３ 岁婴幼儿发中Ｚｎ 、Ｆｅ 、Ｃａ 含量的调查分析。结果显示： ①Ｚｎ 、Ｆｅ 、Ｃａ 含量十年的总平均值分别为６９－６２ ×１０ － ６ 、３７－１１ ×１０ － ６ 、５１１－６８ ×１０ － ６ ； 三种元素含量均在１９９０ 年最低， Ｚｎ 、Ｆｅ 含量于１９９３ 年明显升高， Ｃａ 含量于１９９４ 年明显升高， 以后几年趋于平衡； ②０ ～０－５ 岁组的三种元素含量均明显高于其他年龄组（ Ｐ＜ ０－０１ ） ， 在其他年龄组中Ｚｎ 、Ｃａ 含量有性别差异（ Ｐ＜ ０－０１ ） 。 Reported from 1990 to 1999 Zhanjiang City, 0 to 3-year-old infant hair Zn, Fe, Ca content of the investigation and analysis. The results showed that: (1) The average values ​​of Zn, Fe and Ca contents were 69-62 × 10-6, 37-11 × 10-6, 511-68 × 10-6 respectively in ten years, and the contents of three elements were the lowest in 1990 , The content of Zn and Fe increased obviously in 1993, the content of Ca increased obviously in 1994 and became balance in later years; ②The contents of three elements in 0 ~ 0-5 years old group were obviously higher than those in other age groups (P < 0-01). There were gender differences in Zn and Ca contents in other age groups (P <0-01).