Thyroid macules are imaging terms that may indicate benign thyroid nodules with calcification or thyroid cancer, and should be evaluated in conjunction with other markers on imaging or pathologic puncture biopsy. 1. Benign thyroid nodule with calcification: Most commonly seen as calcium salt deposition within the thyroid nodule, which may occur when the nodule is locally hyperplastic or necrotic. Smaller thyroid nodules can be closely observed first, while nodules that cause pressure on the surrounding tissues or have the possibility of deterioration usually require surgical resection. 2. Thyroid cancer: Thyroid light spots can also be seen in thyroid cancer, which needs to be clearly diagnosed according to the morphology and intensity of the light spots, whether the envelope is intact or not, whether there is lymph node infiltration, puncture pathology and other related examinations. Therefore, if the examination result shows that it is a thyroid light spot, the patient should consult the doctor in time, and if necessary, carry out further examination to clarify the nature and take corresponding measures.