Hyperthyroidism, also known as hyperthyroidism, is a group of common endocrine diseases caused by excessive secretion of thyroid hormones. Clinical symptoms include hyperphagia, emaciation, hyperthermia, excessive sweating, palpitations, agitation and other hypermetabolic syndromes, increased nervous and vascular excitement, as well as varying degrees of thyroid enlargement and eye protrusion, hand tremor, tibial vascular murmur, etc. Severe hyperthyroidism can occur in the critical phase, coma or even life-threatening. Early symptoms of hyperthyroidism include: fatigue and weakness, fear of heat and sweating, warm and moist skin, sharp weight loss or low-grade fever, talkative and active, nervousness, irritability, insomnia, memory loss, palpitations, chest tightness, etc. Patients should actively cooperate with doctors for treatment. Patients should actively cooperate with the doctor’s treatment, take medication at the right time, and reduce ideological pressure. At the same time, pay attention to diet: 1, avoid spicy food: spicy, raw onions, raw garlic; 2, avoid sea food: kelp, shrimp, scallop fish; 3, avoid strong tea, coffee, tobacco and alcohol; 4, keep the mood calm, anti-exertion. 5, due to the vigorous metabolism, it is necessary to maintain adequate calories; protein should be sufficient; eat more vegetables and fruits to ensure that the vitamin cool supplement; eat more milk, eggs and other calcium, phosphorus-containing foods, avoid eating iodine-containing foods.