Hyperthyroidism is a common clinical disease with complex etiology, and it is recommended that the consultation process is as follows: Step 1: Determine whether it is hyperthyroidism According to the medical history, clinical manifestations, and then check the thyroid function FT3, FT4 elevated can be diagnosed as hyperthyroidism. Step 2: Define the cause of hyperthyroidism Hyperthyroidism can be initially divided into: thyroid hyperthyroidism (including 8 causes), pituitary hyperthyroidism, hyperthyroidism with tumors, ovarian goiter with hyperthyroidism, medical hyperthyroidism and temporary hyperthyroidism, which is the most common is diffuse goiter with hyperthyroidism (also known as Graves’ disease). TSH, TRAb, TPOAb, TGAb, iodine uptake and thyroid ultrasound can help in the differential diagnosis, and fine needle aspiration cytopathologic examination of the thyroid gland is feasible if necessary. Step 3: Evaluation of complications of hyperthyroidism Screening for hyperthyroidism eye disease, hyperthyroidism liver disease, hyperthyroidism hematological changes, hyperthyroidism heart disease, hyperthyroidism myopathy, endocrine changes of hyperthyroidism, hyperthyroidism psychosis, hyperthyroidism skin changes and so on. Finally, an individualized treatment plan is developed based on the test results.