After thyroid malignant tumor resection, it is necessary to match the diet reasonably, pay attention to nutrition, maintain a good mood, follow the medical prescriptions, and follow up the examination on time, as follows: 1. 2, patients should drink more water to replenish the lack of water in the body, and try to eat a small number of meals, which is conducive to the absorption of nutrients. 3, to ensure that every day have a good state, bad mood, too much tension is not conducive to physical recovery. 4, malignant tumor of the thyroid gland or bilateral lesions for total thyroidectomy, long-term postoperative thyroxine tablets, review thyroid function to adjust the dosage of thyroid hormone tablets, and if necessary, calcium supplementation therapy. 5. For benign tumors, if the lesion is confirmed to be benign during surgery and the mass is removed completely, thyroxine should be monitored regularly after surgery and supplemented according to the thyroxine condition. 6. For malignant lesions, in addition to regular postoperative follow-up, thyroid antibodies II, parathyroid hormone and thyroxine indicators should also be closely monitored. Based on the test results, the patient’s postoperative prognosis should be made. Patients with malignant thyroid tumor will not have great lesions after thyroid surgery if they follow the doctor’s requirements for regular follow-up.