Thyroid disorders include thyroid nodules, thyroiditis, and tumors of the thyroid gland. The following examinations are required for thyroid diseases: 1) ultrasound examination: the morphology of the thyroid gland can be observed, whether nodules appear and whether enlargement occurs; 2) thyroid function examination; 3) blood examination: including blood routine and blood sedimentation examination; 4) CT and enhanced CT examination: when a tumor is found in the patient’s thyroid gland, CT or enhanced CT examination is required; 5) puncture examination: including fine needle puncture and coarse needle The nature of tumor can be clarified by puncture.