Hyperthyroidism (hyperthyroidism) is a very common endocrine disorder. Typical symptoms of hyperthyroidism are hypermetabolic syndrome, goiter and proptosis. Patients are easily agitated, hypersensitive, have fine tremors when holding their hands flat and extending forward, talkative and hyperactive, insomnia and nervousness, lack of concentration, anxiety and irritability, suspicion, etc. Sometimes they have hallucinations and even sub-mania, but some are reticent and depressed, and patients have active tendon reflexes and shortened reflex time. Hypermetabolic syndrome Patients are fearful of heat and sweating, often with hypothermia, and may have high fever in the case of crisis, mostly with palpitations and panic, apparently hyperactive appetite, but weight loss, fatigue and weakness. Goiter Mostly diffuse symmetric enlargement, a few asymmetric, or obvious enlargement. Proptosis: There are benign proptosis, in which the patient’s eyes protrude and the eyes stare or show frightened eyes; malignant proptosis, often with photophobia, lacrimation, diplopia, vision loss, eye swelling, tingling and foreign body sensation, etc. Some hyperthyroid patients also have no eye symptoms or no obvious symptoms. V. Cardiovascular system: complaints of palpitations, shortness of breath, and a slight increase in activity. Tachycardia, atrial fibrillation, cardiomegaly and heart failure are often present. Digestive system: hyperphagia, but weight loss, both accompanied by often suggest the possibility of the disease or diabetes, increased stool frequency. Blood and hematopoietic system: low total white blood cell count, anemia, short platelet life span, and sometimes purpura. VIII. Motor system: mainly manifests as muscle weakness and weakness, a few can be seen as hyperthyroid myopathy. IX. Reproductive system: women have reduced menstruation, prolonged cycles or even amenorrhea. However, some patients can have pregnancy and childbirth. Men are more impotent. X. Skin and extremities: A small number of patients have typical symmetrical mucinous edema, mostly in the lower anterior tibial segment of the lower leg. In addition to adhering to regular treatment, hyperthyroidism patients should pay attention to the following in their daily life: 1. Low iodine diet: prohibit the consumption of kelp, sea fish, sea jelly skin, iodized salt and other foods with high iodine content. Since iodine is very volatile in the air or when heated, iodized salt can be used by simply placing it in the air or heating it slightly. Eat foods rich in potassium and calcium. 2. Pay attention to rest, maintain sufficient sleep time, avoid exertion, cold and flu, so as not to aggravate the disease. 3, keep your body and mind happy, avoid mental stimulation, establish good interpersonal relationships. 4, such as taking anti-thyroid drugs should check the blood and liver function once a week, every 1 to 2 months for thyroid function measurement. 5.Check the thyroid size, weight, pulse pressure difference and pulse rate regularly, pay close attention to the change of body temperature, observe whether there is infection in the pharynx, and consult a doctor promptly if there is high fever, nausea, vomiting, diarrhea and aggravation of proptosis. 6.Supplement sufficient water, drink about 2500ml of water per day, avoid coffee, strong tea and other excitatory drinks. 7. Properly control the diet after the condition is reduced to avoid the increase of weight.