Hyperthyroidism, known as hyperthyroidism, is a common clinical endocrine disease, due to the thyroid gland or a variety of reasons other than the thyroid gland caused by excessive secretion of thyroid hormones in various tissues and organs of the body caused by the nervous, circulatory, digestive system of the excitability of the increase and metabolism as the main manifestations of the hyperactivity, most commonly seen in women. Classification of hyperthyroidism 1, thyroid hyperthyroidism: toxic diffuse goiter (Graves’ disease), nodular goiter with hyperthyroidism, high-functioning adenomas, iodine-induced hyperthyroidism, subacute and chronic lymphocytic thyroiditis, and “hyperthyroidism” caused by thyroid cancer. 2.Pituitary hyperthyroidism: pituitary tumor and thyroid hormone insensitivity syndrome. 3.Obstetrics and gynecology conditions and diseases caused by heterogenous TSH syndrome: ovarian teratoma; hyperemesis gravidarum, chorionic epithelial carcinoma. 4.Pediatric (including neonatal) hyperthyroidism. 5.Medical origin: caused by excessive intake of thyroxine. Main comorbidities of hyperthyroidism 1.Hyperthyroidism and liver disease: elevated aminotransferases, hepatomegaly, hepatic tenderness, yellowing of the skin and sclera, elevated serum bilirubin, elevated alkaline phosphatase. 2.Hyperthyroidism and hematologic diseases: anemia, leukopenia, thrombocytopenia, etc. 3.Hyperthyroidism heart disease: in addition to the typical manifestations commonly seen in hyperthyroidism, there are chest discomfort, obvious panic, shortness of breath and other discomforts. 4.Hyperthyroid myopathy: extraocular myopathy, chronic hyperthyroid myopathy, periodic paralysis and myasthenia gravis. 5.Hyperthyroidism and skeletal system: osteoporosis, pathologic fracture. 6, Hyperthyroidism and reproductive system: male sperm count is reduced, resulting in infertility, gynecomastia, and low sexual function; female menstruation is reduced, prolonged or amenorrheic, the chance of conception is reduced, and even if conception occurs, it is easy to miscarry.