Need to pay attention to diet 1) Appropriate food: For hypothyroidism caused by iodine deficiency, appropriate amount of kelp and laver should be selected, and iodine can be supplemented with iodized salt, iodine soy sauce, iodine eggs and bread. When cooking, it should be noted that iodized salt wood should be put into boiling oil to avoid iodine volatilization and reduce iodine concentration. Protein can choose eggs, milk, all kinds of meat and fish; Plant proteins can complement each other, such as various bean products and soybeans. Supplying animal liver can correct anemia and ensure the supply of various vegetables and fresh fruits. 2) Avoid eating: avoid all kinds of raw goiter substances, such as Chinese cabbage, cabbage, rape, cassava, walnuts and so on. Avoid foods rich in cholesterol, such as cream, animal brains and internal organs. Limit the use of high-fat foods, such as cooking oil, peanuts, walnuts, almonds, sesame paste, ham, pork belly and sweet cheese. The diet is mainly multi-vitamins, high protein and high calorie, and it is not advisable to overeat cold food.