采用碘盐补碘,是消灭碘缺乏病最科学有效的办法。我国食用加碘盐碘含量的现行标准为:出厂水平≥40mg/kg,销售水平≥30mg/kg,居民用户水平≥20mg/kg即为合格。也就是说,在标准中只规定了碘含量的下限,而没有规定上限。这样一来,容易对消费者形成一种误导,认为大量摄入碘对人体不会造成危害。但在事实上,高碘不仅可引起高碘甲状腺肿,而且 Iodized salt iodine, is the most scientifically effective way to eliminate iodine deficiency disorders. The current standard of iodized salt content in our country is: factory level ≥40mg / kg, sales level ≥30mg / kg, resident level ≥20mg / kg is qualified. That is to say, only the lower limit of iodine content is specified in the standard, but there is no upper limit. As a result, it is easy to form a misleading consumer, that a large number of intake of iodine on the human body will not cause harm. But in fact, high iodine can not only cause high iodine goiter, but also