According to the examination items, we can mainly divide them into: basic physical examination of sight, touch and hearing, and other auxiliary examinations: blood test, ultrasound, CT examination, MRI, nuclear medicine and pathology examination after fine needle aspiration. Visual, tactile and auditory physical examinations: visual: observe the presence of enlargement and determine the grading of enlargement; tactile: feel the texture of the thyroid gland, pain, and the presence of lumps; auditory: use a stethoscope to listen to the presence of vascular murmurs. 2. Blood test: 5+3+1 items of thyroid function to determine the status of thyroid function. 5 mainly includes: tsh, TT4, FT4, TT3, FT3. 3 mainly includes: TG (thyroglobulin), TPOAb (peroxidase antibody), TGAb (thyroglobulin antibody). 1 refers to TRAb (thyroid stimulating hormone receptor antibody). These indicators can clarify whether the thyroid gland is functioning normally, hyper or hypo, and whether there is immune damage, etc. There is also an indicator for medullary thyroid cancer: calcitonin. Other blood tests include liver function, blood lipids, and blood count. 3.Ultrasound examination: It can observe the morphology, volume and size of the thyroid gland, blood flow signal, and the presence of nodules, which can help diagnose Hashimoto’s thyroiditis and graves’ hyperthyroidism, and clarify the size, number, shape, boundary, and relationship with surrounding tissues of the nodules, and make preliminary judgment on the benignity and malignancy of the nodules. The test is non-invasive and simple, and is widely used clinically for examination and review. 4, fine needle aspiration and pathological examination: also under the guidance of color ultrasound, using fine needle to puncture thyroid tissue or nodules, and then filmed and observed under the microscope, for diagnosing the type of thyroid disease, determine the benign and malignant nodules and the type of malignant tumor is most meaningful. 5.CT and MRI: Generally, they are not used as routine examinations, but can be used to observe more carefully the thyroid lesions behind the sternum, the larger lesions and the relationship with the surrounding tissues, the observation of the state of lymph nodes, and to assist in determining the benignity and malignancy of the nodules and the infiltration of the surrounding tissues after the tumor. MRI has no radiation. 6.Nucleotide examination: using radioactive elements, after scanning, according to the presence or absence of enrichment, determine the functional status, which is important for identifying subacute thyroiditis, graves hyperthyroidism and autonomous functional adenoma, and also has an auxiliary role in distinguishing the benignity and malignancy of nodules. It is not routinely used because of the presence of radioactivity and relatively high cost. A comprehensive examination of the thyroid gland basically includes these, but certainly not all of them are used in clinical practice. Generally, preconception, dyslipidemia, infertility and recurrent miscarriages require a simple check of tsh, further examination if there is a problem, full thyroid function, ultrasound examination. If nodules are found during the checkup, five tests of thyroid function should be performed, and thyroid ultrasound should be repeated every year if there is no problem. So, specific problems, specific analysis.