碘缺乏病是由于自然环境缺碘，使机体摄入不足而产生一系列损害，它主要影响胎儿脑发育，导致儿童智力和体格发育障碍，从而严重威胁人们的身体健康和智能发展。开平市地处广东西南部，属珠江三角洲地区，下辖３区１５镇，１９９５年全国第一次碘缺乏病抽样监测显示，８～１０ Iodine deficiency disease is a series of damages caused by lack of iodine in the natural environment and insufficient intake of the body. It mainly affects fetal brain development, resulting in mental retardation and physical development of children, thus seriously threatening people’s health and intellectual development. Kaiping City, located in the southwestern part of Guangdong Province, is a Pearl River Delta region with 15 districts and 15 towns. In 1995, the first sampling survey of iodine deficiency disorders in China showed that 8-10