If an 80-year-old man has thyroid cancer, he should be treated with surgery or medication under the guidance of a doctor, mainly according to the actual physical condition of the patient. Elderly thyroid cancer, also known as geriatric malignant goiter, is a relatively common malignant tumor in the neck, which may be related to oncogene ionizing radiation or genetic factors. Most of the elderly may have no symptoms in the early stage, and with the aggravation of the disease, symptoms such as dyspnea, dysphagia, hoarseness and so on may appear. The disease should be treated with medication such as levothyroxine, thyroid tablets and levothyroxine sodium tablets under the guidance of doctors, and can also be treated by surgery, such as total thyroidectomy, partial thyroidectomy, radiotherapy or chemotherapy if the patient’s physical condition permits. Early detection, early treatment, pay more attention to rest, maintain sufficient sleep, do not eat spicy and stimulating food, to light food; discomfort, timely consultation, active treatment, so as not to delay the condition.