Text Box: THE SPECIALITY OF THE CHILDREN’S LACK OF THE MICROELEMENT Xiao Lingli Yubei People’s Hospital, Chongqing, China Objective: We want to know the specialty of the children’s lack for microelement. Methods: We have tested the hair’s microelement (Zinc, Iron, Calcium) in our state of infants, toddlers’ age, pre-school age. Results: The infant is lacking for Calcium the first, the second is Zinc. The third is Iron. The toddlers’ age is as same the as infant. The pre-school age is lacking for Zinc usually. Conclusion: We have to prevent and treat the infant microelement Calcium deficiency. It is important to prevent and treat the microelement Zinc deficiency in pre-school age. 2472