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本文对哈尔滨市４７９例７岁～１２岁儿童做了发锌值侧定、身高测量和家庭经济状况等调查。结果表明，儿童发锌值与年龄密切相关，而与身高的关系较小。提示，儿童锌营养需要量应按年龄段划分。
In this paper, 479 cases of children aged 7 to 12 in Harbin were made zinc hair side setting, height measurement and household economic status survey. The results showed that children’s hair zinc value is closely related with age, but with less height. Tip, children’s zinc nutrition needs should be divided according to age.