目的；了解郑州市初中及小学生龋病患病情况及其对生长发育的影响。方法：对684名7～14岁儿童进行龋病流行病学调查。结果：龋患率为51．6％，龋均为1．30，龋患以8岁为最高，以后随年龄增大而下降。患龋的8岁、9岁年龄组儿童身高显著低于非患龋组，8岁、9岁、10岁3个年龄组患龋的体重亦显著低于同年龄非患龋儿童。结论：小学阶段仍为龋病高发年龄，有关龋病对儿童生长发育影响需进行深入研究。 Objective To understand the prevalence of caries in junior middle school and primary school students in Zhengzhou City and its effect on growth and development. Methods: A total of 684 children aged 7-14 years were investigated for dental caries epidemiology. Results: Caries prevalence rate was 51.6%, caries was 1.30, caries was highest at 8 years old, then decreased with age. Children aged 8 and 9 with caries had significantly lower height than those without caries. Children aged 8, 9 and 10 years old also had significantly lower caries than non-carious children of the same age. Conclusion: The primary stage is still the high incidence of dental caries. The effects of dental caries on the growth and development of children need to be further studied.