1, should be supplemented with iron-rich food, supplemental vitamin B12, such as animal liver, if necessary, but also supply folic acid, liver preparations, etc. 2, appropriate food: hypothyroidism caused by iodine deficiency, need to use the appropriate amount of seaweed, nori, available iodized salt, iodized soy sauce. Daily use of protein-rich foods, such as eggs, dairy, various types of meat, fish, etc.; foods rich in vegetable protein, such as various types of soybean products, soybeans, etc., as well as various types of vegetables and fresh fruit. 3, avoid eating food: avoid all kinds of goiter substances, such as cabbage, cabbage, rape, cassava, walnuts, etc.; avoid cholesterol-rich foods, such as cream, cheese, etc. A small amount of high-fat foods, such as cooking oil, peanut rice, walnuts, almonds, sesame sauce, ham, pancetta, etc.