Thyroid nodules at 70 years of age usually can not be cured by themselves, it is recommended to go to the hospital in time. The causes of 70-year-old thyroid nodules are thyroxine synthesis and secretion disorders, thyroxine raw material iodine deficiency, etc. If necessary, 70-year-old thyroid nodules need to under the guidance of the doctor to carry out relevant tests to confirm the diagnosis of benign or malignant. If the 70-year-old thyroid nodules are small and there are no uncomfortable symptoms, the thyroid ultrasound and thyroid function should be checked regularly. If the 70-year-old thyroid nodule patient has obvious hyperthyroidism symptoms, such as fear of heat, excessive sweating, skin moisture, etc., then you need to take antithyroid medication under the guidance of the doctor, such as methimazole, propylthiouracil, etc.. If the 70-year-old thyroid nodule is malignant, the nodule is large in size, and there is obvious compression of organs or surrounding tissues causing respiratory or feeding difficulties, it is necessary to undergo surgical resection treatment as early as possible. Patients with 70-year-old thyroid nodules need to go to the hospital as soon as possible and choose effective treatment under the advice of the doctor.