The treatment modality for calcified thyroid nodules for one year depends mainly on the nature of the nodule as well as its cause. If the nodule is asymptomatic and thyroid function is normal, regular follow-up is usually sufficient and consultation with a doctor is recommended. Ultrasound examination can help to identify the benign or malignant nature of thyroid nodules. The following ultrasound signs are suggestive of thyroid cancer: solid hypoechoic nodules; abundant blood supply in the nodules (with normal TSH); irregular nodule morphology and margins, absence of halo rings; and tiny calcifications, pinpoint diffuse distribution or clustered distribution of calcifications; It is also accompanied by abnormalities in ultrasonographic images of cervical lymph nodes, such as rounded lymph nodes, irregular or blurred borders, uneven internal echogenicity, internal calcifications, unclear corticomedullary demarcation, disappearance of lymphatic gates, or cystic degeneration. If the above signs are present, ultrasound-guided fine-needle aspiration is recommended for definitive diagnosis, and if malignancy is diagnosed, surgical treatment can be considered. Therefore, calcification of thyroid nodules alone cannot confirm the specific cause of the disease and the treatment plan, and it is necessary to communicate with the treating doctor and further examination to obtain the results.