To control IDD scientifically, we should properly lower the iodine content in the iodized salt, improve the qualified rate of iodized salt, prevent the impact of non-iodized salt, and enhance the iodized salt monitoring work.

• 适当降低加碘浓度,提高加碘盐合格率,杜绝非碘盐冲击,加强碘盐监测工作,确保居民食用合格碘盐,科学地防治碘缺乏病。