In addition to the hazards caused by hyperthyroidism, such as rapid heartbeat, increased appetite and overeating, continuous weight loss, hand tremor, irritability and sweating, fear of heat and irritability, the high thyroid hormone will also cause diabetes and liver cell damage. High thyroid hormone indicates that the patient may suffer from hyperthyroidism. Hyperthyroidism can involve multiple systems and cause multiple system damage, specifically, nervous system hazards such as irritability, insomnia, dreaminess and inattention; Metabolic system hazards such as fear of heat, increased appetite, excessive drinking and eating, and weight loss; Visual hazards such as exophthalmos, photophobia, tears and even foreign body sensation; Diarrhea and other digestive tract hazards; Circulatory system hazards such as rapid heartbeat and arrhythmia. In addition, high thyroid hormone can also induce diabetes and liver cell damage. When the above performance occurs, it indicates that you may have hyperthyroidism and need to seek medical treatment in time.