The severity of hyperthyroidism is judged from the following aspects: 1: Whether hyperthyroidism causes heart disease and the severity of hyperthyroidism is also a more important indicator. 5. Whether hyperthyroidism crisis occurs: Because some hyperthyroidism patients are not detected and treated at the initial stage, hyperthyroidism crisis may occur, and hyperthyroidism crisis can affect life if not treated in time. 6. Basal metabolic rate: The patient’s metabolic condition is judged by detecting the basal metabolic rate. Therefore, when hyperthyroidism is involved, timely consultation and standardized treatment are essential. In general, when there is emaciation, fear of heat and irritability, you should first go to the hospital for examination to see if there is hyperthyroidism, and do not delay, especially not in the case of hyperthyroid crisis.