Moderate amount of seafood can be eaten after total thyroidectomy, excessive amount may cause gastrointestinal discomfort. In principle, you can eat moderate amount of seafood after total thyroidectomy as long as you are not allergic to seafood. Seafood is also rich in nutrients, such as protein and minerals, such as iodine, iron, zinc, calcium, etc., you can eat a moderate amount of seafood after thyroidectomy. However, it is not advisable to eat too much because seafood is cold in nature, which may cause gastrointestinal discomfort, such as abdominal pain, diarrhea and so on. After total thyroidectomy, you should pay attention to a balanced and comprehensive diet, and also need to regularly monitor the thyroid function to understand the level of thyroid hormones, if there is any discomfort, it is recommended to consult a doctor in time, so as to avoid delaying the condition.