There are many manifestations of hyperthyroidism, such as manifestations of the cardiovascular system, digestive system, endocrine system and so on. 1. Cardiovascular system manifestations: excessive thyroid hormone can enhance the sensitivity of cardiomyocyte β-receptors to catecholamines, resulting in increased myocardial contraction, accelerated heart rate, accelerated conduction, resulting in palpitations, shortness of breath, atrial fibrillation and atrial flutter and other cardiovascular system manifestations. 2. Digestive system manifestations: patients with hyperthyroidism in the digestive system manifestations of eating too much, easy to hunger, increased stool frequency obvious, diarrhea, etc., can be due to metabolism enhancement, intestinal peristalsis increased and other reasons. 3. Endocrine system performance: hyperthyroidism patients can be due to increased thyroid hormone affects the normal function of the gonads, resulting in female patients with menstrual disorders and other manifestations, male patients can have impotence, breast development and other symptoms. There are many other manifestations of hyperthyroidism, such as protruding eyes, hand tremor, etc. It is recommended that such patients go to the endocrinology department of a regular hospital, cooperate with the doctor to complete the relevant examinations, and actively deal with it.