担量元素铜、铁、锌及常量元素钙与儿童身心发有密切相关．测定这些元素体内含量已成为医学临床诊断的重要依据之一，也为广大儿童家长所关注．目前国内某些省市有正常的调查报告，但由于各地区土壤、地理环境、工业状况、饮食习惯和营养状况的不同，故均值不尽相同，甚至差别 Elements of copper, iron, zinc and elements of calcium and children’s physical and mental hair are closely related. Determination of these elements in vivo content has become an important basis for medical diagnosis, but also for the majority of children concerned about the parents. At present, some provinces and cities in China have normal survey reports, but due to the different soil, geographical environment, industrial conditions, dietary habits and nutritional status in different regions, the mean values ​​are not the same or even different