食盐在调味品和副食品加工中是不可少的辅料,也是人们生活中的必须品。食盐中加碘,对治疗地方性甲状腺病很有意义。但是,加入量一定要按规定,过少作用不明显,过多易引起甲状腺肿大。为保证各实验室测定结果数据的准确性和可比性,准确评价碘含量变化对甲状腺疾病发生发展的影响以及防治措施的落实和 Salt is an essential ingredient in the processing of condiments and non-staple foods, and is also a necessity in people’s lives. Iodized salt, for the treatment of endemic thyroid disease is of great significance. However, the amount must be provided according to the provisions of too little effect is not obvious, too easy to cause goiter. In order to ensure the accuracy and comparability of the results of laboratory measurements, the impact of changes in iodine content on the occurrence and development of thyroid diseases and the implementation of prevention and treatment measures were accurately evaluated