Hyperthyroidism is short for hyperthyroidism, and hyperthyroidism is characterized by hot flashes (bursts of heat) that are felt as a fear of heat in the skin, excessive sweating, and a slightly higher-than-normal skin temperature. There are individual differences in the symptoms of hyperthyroidism. Hot flashes are one of the manifestations of hyperthyroidism. Hyperthyroidism can be characterized by systemic hypermetabolism and requires standardized treatment under the supervision of a doctor. Hyperthyroidism due to hypermetabolism, may appear skin hot flashes phenomenon, manifested as fear of heat, sweating, skin temperature is slightly higher than normal body temperature, some have low fever, is due to too much thyroid hormone. In hyperthyroidism, too much thyroid hormone is produced, causing thyrotoxicosis, which leads to accelerated metabolic activity in the body, causing increased excitability and hypermetabolism in the nervous, circulatory, digestive and other systems. In addition to fear of heat and excessive sweating, there may also be excessive eating and hunger, weight loss, tachycardia, atrial fibrillation, diarrhea, irritability, protruding eyes, and neck enlargement. If there are hot flashes, overeating and weight loss, and increased heart rate, it is necessary to go to the regular hospital for examination, to clarify the cause of the disease and timely treatment.