The treatment methods of thick neck caused by hyperthyroidism mainly include the following: first, general treatment. We should eat reasonably, relax, and guard against arrogance and rashness. Reasonably arrange work and rest time, live a regular life, avoid heavy physical activities, and take proper exercise. Second, medication. There are two main types of drugs, namely, imidazole and thiouracil, and their representative drugs are methimazole and propylthiouracil. In addition, some heart rate lowering drugs can be taken orally, such as propranolol. Third, surgical treatment. Perform partial thyroidectomy or subtotal thyroidectomy. Fourth, radioactive iodine therapy is mainly applicable to patients with relapses. Fifth, thyroid interventional embolization.