Post-operative thyroid diet considerations are as follows: First, a high protein, high vitamin, low salt, low fat diet, regular, quantitative, balanced nutrition as the principle, avoid overeating. Second, eat more fresh vegetables and fruits as appropriate. Third, do not eat leek, parsley, cilantro, mutton, dog meat and other hot foods, which are not conducive to the healing of the incision. Four, patients with thyroid cancer and Hashimoto’s thyroiditis should eat less food with high iodine content, such as kelp, nori and iodized salt, while other benign tumors can. Fifth, avoid spicy, fried and stimulating food, barbecue and pickled food, smoking, alcohol, coffee, strong tea, etc. After thyroid surgery, you should also keep a happy mood, avoid mood swings, ensure sufficient sleep, do not stay up late, and develop good habits.