After total thyroidectomy, you need to pay attention to the nutritional balance of food, eat more high-protein, high-vitamin food, do not recommend eating spicy and stimulating, high-fat greasy food, which is not conducive to the recovery of the disease, and need to quit smoking and limit alcohol. The thyroid gland is an endocrine organ of the human body, capable of synthesizing thyroid hormones. Before adulthood, thyroid hormones can promote the growth of the body, and after adulthood, thyroid hormones can play a role in regulating the metabolism of the body. When the human body after the removal of the thyroid gland, if you need to receive further iodine 131 treatment, treatment before the need to limit the intake of iodine, minimize the consumption of iodine-containing foods, such as nori, kelp, sea fish, etc., and try to choose non-iodized salt when eating salt. So as not to affect the therapeutic effect of iodine 131. Patients who have undergone total thyroidectomy should keep a good mindset, and should go to the hospital regularly for rechecks.