Hyperthyroidism has a large impact on the body and can cause complications in the systemic system: 1. hyperthyroid heart disease: accelerated heart rate and increased heart load cause heart failure; 2. hyperthyroid eye disease: if hyperthyroidism is not controlled for a long period of time, hyperthyroidism can appear in the convex eyes; 3. periodic paresthesias: hyperthyroidism causes muscle lesions, mostly in young Asian patients; 4. anterior tibial mucinous edema; 5. most hyperthyroid patients can have diffuse symmetrical goiter with marked thickening of the neck, and vascular murmur can be reached, sometimes a murmur can be palpated