Thyroid patients should pay attention to a reasonable diet, and the precautions are: 1, and supplement high-protein foods, such as fish, chickens, cows, ducks, etc. 2, enough carbohydrates, thyroid patients have a faster metabolism, and need to supplement enough calories every day to meet the needs of the body. 3, supplement vitamin B, because to increase calories, you need to supplement a lot of vitamin B at the same time. 4, thyroid patients, it is more appropriate to supplement iodine, kelp is a food with high iodine content, you can eat more, you can also choose iodized salt, usually eat meat and eggs and dairy products also contain iodine. 5, avoid smoking, alcohol, coffee and irritating food, do not eat fried and high cholesterol food, pickled food can not be eaten. People with goiter can't eat Chinese cabbage, peanuts, coriander and potatoes. Chinese cabbage and potatoes contain cyanide, which will hinder the absorption of iodine.