Hyperthyroidism requires thyroid function measurement, autoantibody measurement, color Doppler ultrasound and other tests. 1. Measurement of thyroid function: including TSH, FT3, FT4, etc., which helps to clarify the diagnosis of hyperthyroidism. 2. Autoantibody measurement: TSH receptor antibody, TPO antibody, etc., used to identify Graves’ disease, Hashimoto’s thyroiditis and other diseases. 3. Color Doppler ultrasound: mainly used in the differential diagnosis of hyperthyroidism. Hyperthyroidism caused by Graves’ disease will have the manifestations of thyroid enlargement and blood flow signal enhancement, which can be differentiated from thyrotoxicosis caused by inflammation and destruction of the thyroid gland. Hyperthyroidism can also be performed magnetic resonance examination, thyroid radionuclide scanning and other tests, hyperthyroidism patients should go to the hospital in a timely manner, according to the condition and their own needs to choose the examination program, after a clear diagnosis under the guidance of the doctor standardized treatment.