The first type of food that contains iodine is the plants in the ocean that are often eaten, such as seaweed and seaweed, which can provide rich iodine for the organism. The second type of food is the animal food often eaten in the sea, such as lobster, sea cucumber, dried scallops, seafood fish, these animal food in the sea will also be relatively rich in iodine. The third type of food is often eaten eggs, such as eggs, duck eggs, goose eggs, these egg foods often contain a certain amount of iodine. The fourth type of food is the frequently eaten milk, which is also relatively rich in iodine.