After thyroid surgery, it is best to review under the surgeon’s medical advice, generally review ultrasound, thyroid function, such as preoperative metastases, may need to further check the whole body nuclear imaging, as follows: 1. Ultrasound: mainly to observe the thyroid gland after surgery, whether the surgical site recurrence, such as tumor, especially malignant tumor surgery, also need to consider whether the lymph nodes around the thyroid gland have been reduced, whether the malignant tumor tissue is removed clean; 2, Thyroid function: If thyroid function is reduced after surgery, oral thyroid hormone tablets are needed to supplement thyroid hormone deficiency. If thyroid function is basically normal after surgery and oral thyroxine tablets lead to thyroid hyperfunction, drug discontinuation and dose reduction should be considered.