Hyperthyroidism patients may have large neck, bulging eyes and other symptoms, but there are also a few patients whose symptoms are not obvious, and they do not look very different from normal people. If you want to know whether you have hyperthyroidism, you need to go to a regular institution for an examination of hyperthyroidism glands. If the patient's thyroid function is indeed abnormal, then even if the patient does not have symptoms such as neck enlargement and bulging eyes, he or she is also suffering from hyperthyroidism. In addition to the enlargement of the neck, hyperthyroidism patients will become irritable, flustered, shaking hands, and their eyes begin to become convex. It can be treated by iodine-131 therapy or surgery, and the disease can slowly return to normal after complete treatment.