Hyperthyroidism is the short form of hyperthyroidism, and you can see hyperthyroidism in endocrinology, thyroid and breast surgery or general surgery. Hyperthyroidism is an endocrine system disease caused by excessive secretion of thyroid hormone, which can cause hypermetabolism, such as wasting, sweating, palpitations, fatigue, hand tremor, etc.; endocrinology is a kind of diagnosis and treatment of endocrine metabolic disorders, such as thyroid disease, diabetes mellitus, hyperuricemia, pituitary and adrenal lesions, and so on. Therefore, patients with hyperthyroidism can hang up the endocrinology department for consultation. For thyroid gland enlargement is significant, with pressure symptoms; moderate or severe hyperthyroidism, long-term medication is ineffective, or discontinued relapse or can not adhere to the medication; retrosternal goiter; fine-needle aspiration cytology confirms thyroid cancer or suspected malignant hyperthyroidism patients, need to consider surgical treatment, it is recommended to go to the Department of Thyroid and Breast Surgery, some hospitals if there is no thyroid and breast surgery can be selected from the Department of General Surgery. Patients diagnosed with hyperthyroidism who are unsure of the department they should visit can ask at the hospital’s information desk.