新疆拜城县地处天山山脉中段南麓,远离海洋,四周高山环绕,海洋空气难以吹入,使得拜城县成为碘缺乏病的严重流行区;上世纪6 0年代儿童甲状腺肿大率高达80 %以上,巨大甲状腺肿随处可见,地方性克汀病患病率达4 0‰。多年来采取综合性防治措施,碘缺乏病病情明显下降,但由于拜城县非 Baicheng County, Xinjiang is located in the middle of the Tianshan Mountains in the south, away from the sea, surrounded by mountains, difficult to blow into the marine air, making the county became a serious epidemic of iodine deficiency disorders; goiter in the 1960s up to 80 %, A huge goiter can be seen everywhere, the prevalence of endemic cretinism up to 40%. Over the years to take comprehensive prevention and treatment measures, iodine deficiency disease decreased significantly, but thanks to Baicheng County