1. Iodine supplementation measures mainly include iodized salt, iodine preparations and iodine-rich foods. The main measure to prevent iodine deficiency disorders in China is to popularize iodized salt. In addition, iodized oil or iodine tablets can be used as an alternative or auxiliary measure in areas with inconvenient transportation, scattered residence, serious influence of non-iodized salt and poor implementation of iodized salt measures.

2. Mainly applicable to newly married women of childbearing age, pregnant women, lactating women, infants and children. You can also supplement iodine by taking iodine-containing health products, eating iodine-rich foods such as kelp, seaweed and shellfish.

3. Salt is the daily need of human body, which conforms to the principle of long-term, trace, daily and convenient. After nearly a hundred years of exploration and practice, it has been proved that iodized salt is safe, effective, simple, easy to operate, cheap and edible for a long time, and it has become the best way to supplement iodine.