Symptoms of hyperthyroidism are different for each person and cannot be generalized. Hyperthyroidism is most common in young and middle-aged people, mostly women, and is caused by an overproduction of thyroid hormones. Hyperthyroidism is caused by an overproduction of thyroid hormones. The metabolism of every organ and organ can be abnormal. There is a relationship between the level of thyroid hormone and the severity of the symptoms of hyperthyroidism. Early symptoms may include: 1. Hungry easily, increase in the amount of food, but weight loss, increase in the number of bowel movements, sometimes diarrhea, sweating, fear of heat. 2.Easy to be agitated, panic, chest tightness, hand shaking, irritability. 3, sometimes also lead to women’s menstrual cycle disorders and cause infertility. Men can sometimes have symptoms of impotence and premature ejaculation. 4, sometimes there is also the possibility of thyroid enlargement, in the enlarged thyroid can be heard with a stethoscope blood vessel murmur. 5.Sometimes there is also dry, itchy skin, weakness and pain. 6. Sometimes there is also neck enlargement and protruding eyes. After suffering from hyperthyroidism, it is necessary to treat the symptoms in a timely manner to avoid adverse effects on health.