Whether the thyroid gland needs surgery or not depends on the disease, as follows: 1) normal thyroid gland does not need surgery; 2) functional thyroid gland diseases, such as hyperthyroidism and hypothyroidism, do not need surgery if they do not reach the indications for surgery, and endocrine treatment is sufficient; 3) patients with thyroid nodules and thyroid cancer usually need ultrasound examination to observe whether there is blood flow through, whether there is deposited calcium If, on review, calcium breast or calcification appears, pathological examination should be considered and the need for surgical treatment should be decided according to the pathological results. In case of medullary carcinoma or thyroid adenocarcinoma, surgery is considered. Surgery of the thyroid gland may be partial or total removal, and total removal may affect the body’s thyroid function, resulting in symptoms of hypothyroidism and the need to take medication for life.