Imaging of the thyroid gland at the tertiary level is not cancerous and is a benign disease that commonly occurs in the thyroid gland. It is a benign disease of the thyroid gland. It is mainly a nodular goiter and is more common in middle-aged women, but it can also occur in men. It is caused by an imbalance in the metabolism of thyroxine in the body, and the thyroid gland is enlarged to varying degrees, resulting in the formation of nodules. It is important to follow up and observe the disease regularly, mainly through dietary modification, iodine-containing foods, seafood, seaweed, sea vegetables and sea crabs. If the lesion grows in size and causes significant pain or localized pressure, further surgery or radiofrequency ablation may be required if necessary.