Symptoms of hyperthyroidism mainly include the following: first, hypermetabolic syndrome, which is mainly characterized by tiredness, fatigue, fear of heat, excessive sweating, moist skin, overeating and easy to be hungry, and weight loss. Second, the mental system, including anxiety, irritability, insomnia, memory loss, and tremor in the hands and eyelids. Third, cardiac system, mainly manifested as tachycardia. Fourth, the digestive system manifests as loose stools or increased frequency of bowel movements, and occasionally some people may have abnormal liver function or have jaundice. Fifthly, the muscular system, which usually occurs mainly in men, is called periodic paralysis, which is caused by hypokalemia. Sixth, the hematologic system manifests itself in the form of an increased percentage of lymphocytes and increased monocytes, and a decreased total platelet count. Seventh, the reproductive system, women mainly manifested as decreased menstruation or amenorrhea; men mainly manifested as impotence or mammary gland hyperplasia. The treatment of hyperthyroidism includes three ways: the first is called antithyroid drugs, generally commonly used in China is called propylthiouracil or Sage, but before taking the drug must check the liver function, blood routine, if the liver function, blood routine is normal before you can use the drug. The second type of treatment is called Iodine-131, which is a radioactive element, and contraindications, such as pregnant women are absolutely not allowed to use Iodine-131. The third type of surgical treatment is generally suitable for anti-hyperthyroidism drugs that have not been effective for a long time, recurrence after stopping the drugs, or retrosternal thyroid nodules with compression symptoms, and multiple nodules with hyperthyroidism. Contraindications, such as heart function and kidney function can not tolerate surgery, the first trimester and six months of pregnancy is also contraindicated surgery, serious thyroid eye disease is also can not do surgery.