1: Sun-dried salt, also called coarse salt, is edible, but if possible, it is best not to use it as a seasoning in ordinary cooking, because there are many impurities, some substances are harmful to human body, and the salt is impure.

2. It is better to eat iodized salt, which can supplement the iodine you need in your body. Otherwise, goiter may occur. If you don't eat iodized salt, you can eat more kelp seafood.