The cause of hyperthyroidism, emaciation and excessive sweating may be the overproduction of thyroxine leading to the body’s high metabolism. Thyroxine is an important hormone in human metabolism, which has the function of maintaining a constant body temperature, helping the body’s metabolism and growth, and promoting the development of the nervous system. Hyperthyroidism, i.e. hyperthyroidism, is due to different reasons leading to excessive production or release of thyroxine, the body’s metabolism is increased, energy consumption increases, resulting in high metabolic syndrome such as lethargy and excessive sweating. In addition, there are often symptoms such as fear of heat, polyphagia, easy agitation, panic, hand tremor, and so on. Hyperthyroidism not only has the manifestation of high metabolic syndrome, but also leads to the damage of target organs of each system of the whole body. For example, damage to the heart leads to hyperthyroidism heart disease, damage to the liver leads to abnormal liver function, damage to the gastrointestinal tract leads to diarrhea, and may also lead to irregular menstruation and infertility in women. If you are suffering from hyperthyroidism, it is recommended that you go to the hospital and take medication under the guidance of a professional doctor to control the symptoms of hyperthyroidism.