Conclusion Carrying out colligate prevention and cure step,basing continuance mechanism of prevention and cure of IDD are manipulable to keep eliminating IDD for long-term in a larger district.

• 结论落实综合性防治措施,建立可持续进行的碘缺乏病防治工作机制,在一个较大的地区长期保持消除碘缺乏病状态是可以操作的。