Thyroid cancer of 0.2 cm usually does not need to be removed, and there is now a complete standard for surgical treatment of thyroid cancer, usually larger than 4 cm to be removed. Thyroid cancer is the most common malignant tumor of the thyroid gland in adults. Surgery is currently one of the main treatments for thyroid cancer, and the main surgical methods for thyroid cancer include total excision and near-total excision. Surgery is feasible if the patient meets one of the following indications: the patient has a history of radiation therapy to the neck; there is evidence of distant metastasis; cancerous nodules are found in both thyroid glands; invasion of thyroid cancer occurs; cancerous mass is >4cm; the pathological type is poor: for example, hypercellular, diffuse sclerosis, etc.; multiple metastases are found in lymph nodes on both sides of the neck. For the treatment of thyroid cancer should consult the doctor in time, so as not to delay the condition.