目的通过补碘前后儿童甲状腺肿大率和尿碘对比分析，掌握我市儿童碘营养状况。方法采取普查和ＰＰＳ抽样方法，检查８～１０岁儿童甲状腺肿大率和尿碘水平。结果８～１０岁儿童甲状腺肿大率为１８．３３％，较补碘前下降２倍；尿碘中位数＞３００μｇ／Ｌ；居民户盐碘中位数＞２０ｍｇ／ｋｇ，较补碘前显著提高。结论合理补碘能够纠正碘缺乏，改善儿童碘营养状况。 Objective To compare iodine and iodine in children before and after iodine supplementation to understand the iodine nutrition status of children in our city. Methods Census and PPS sampling methods were used to examine the rates of goiter and urine iodine in children aged 8-10 years. Results The prevalence of goitre in children aged 8 ~ 10 years was 18.33%, which was twice as that before iodine supplementation. The median urinary iodine was> 300μg / L. The median of salt iodine in residents was> 20mg / kg, Significantly increased. Conclusion Reasonable iodine can correct iodine deficiency and improve iodine nutrition in children.