2. Relatively speaking, iodized salt is a kind of salt that is good for health, and the range of edible salt is also relatively wide. Iodine is an essential trace element for human body, but it is difficult to remain in human body. In daily life, the content of iodine is relatively small, and most people mainly get it through edible salt. Therefore, for normal people, iodized salt is the most suitable for daily consumption, which can prevent the occurrence of iodine deficiency disorders to a certain extent and is a good edible salt for the body. However, it should be noted that iodized salt should not be eaten too much, which may cause diseases such as high iodine hyperthyroidism and affect human intelligence.