The treatment principle of thyroid cancer is mainly surgical resection, which has a definite efficacy. Moreover, even if papillary or follicular carcinoma has metastasis in the lymph nodes of the neck or distant metastasis, surgery still has positive significance. Radioactive 131 iodine treatment can also control the disease and improve the quality of life of patients. Therefore, patients with total thyroidectomy should take thyroxine tablets for life after surgery to prevent hypothyroidism, but the specific medication should be combined with clinical practice and guided by the doctor’s interview.