Whether a solid nodule with calcification in the right lobe of the thyroid is serious depends on the circumstances. Benign nodules have a good prognosis, while malignant nodules are more serious. The right lobe of the thyroid gland with solid nodules may be normal thyroid tissue or inflammation or tumor. The risk of benign or malignant thyroid nodules needs to be determined based on the thyroid ultrasound, and benign thyroid nodules have a better prognosis. If the echogenicity of the right lobe of the thyroid gland is uneven and the border is not clear under ultrasound, the possibility of malignancy is high. More than 90% of malignant thyroid nodules are differentiated thyroid cancer (DTC), and most of DTC progresses slowly and has a nearly benign course, with a high 10-year survival rate. Certain histologic subtypes of DTC and poorly differentiated thyroid carcinomas have low incidence, but are prone to invasion and distant metastasis, with high recurrence rates and relatively poor prognosis. Solid nodule with calcification in the right lobe of the thyroid gland is recommended to undergo fine-needle aspiration of the thyroid nodule, and complete pathological examination to determine the nature of the nodule, and if it is malignant, it should be promptly treated with surgery. If the nodule is malignant, surgery should be carried out in time. Patients with solid nodules with calcification in the right lobe of the thyroid gland should go to the hospital in time to clarify the benign or malignant nature of the nodule, and standardize the treatment under the guidance of the doctor.