Abstract: The contents of 5 elements (Zn, Fe, Cu, Mn, Ca) in the hair of children of 31 individuals Kazak nationality aged 12—15 living in Yili county, Xinjiang were determined with spectrum absorption methoed. The T test showed that there is no significant difference in contents of elements among the Kazak, Uygur and Kirgirz nationalities except that of Mn and Ca in Kazak and Kirgirz.

Key words: Hair; Elemants; Children; Kazak nationality