目的了解深圳市0～6岁儿童体内7种矿物质的含量水平,探讨其缺乏或过多的可能原因及防治措施。方法使用原子吸收光谱法检测2 746例0～6岁体检儿童末梢血铜、锌、钙、镁、铁、铅、镉的含量,比较年龄、性别对7种矿物质异常率的影响。结果深圳正常体检儿童血钙和铅的异常率相对较高,血铅年龄分布有差异,幼儿组(1～3岁)超标率最高,7种矿物质测定结果无性别差异。结论 0～6岁儿童家长应重视儿童补钙,幼儿期应注意玩具选择及培养良好的个人卫生习惯、注意生活环境预防铅中毒的发生。 Objective To understand the levels of seven minerals in children aged 0 ~ 6 in Shenzhen and to explore the possible causes and prevention measures of their lack or excess. Methods The contents of copper, zinc, calcium, magnesium, iron, lead and cadmium in 2 746 children aged 0-6 years old were detected by atomic absorption spectrometry. The effects of age and sex on the abnormalities of 7 minerals were compared. Results The abnormal rate of serum calcium and lead in normal physical examination children in Shenzhen was relatively high, and there was a difference in the age distribution of blood lead. The highest rate of over-standard in children aged 1 to 3 was found. There was no gender difference in the determination results of 7 minerals. Conclusion Parents of children aged 0 ~ 6 years should pay attention to calcium supplementation in children. During early childhood, they should pay attention to the selection of toys and develop good personal hygiene habits. Pay attention to the living environment to prevent the occurrence of lead poisoning.