Thyroid nodules are considered benign nodules at the tertiary level. If there are no clinical symptoms, they can be temporarily observed, but it is necessary to pay attention to the diet structure, because the most common cause of thyroid nodules is an imbalance in the metabolism of thyroxine in the body, and can be supplemented with foods containing iodine, such as seafood, and high quality animal protein. If the nodules gradually increase in size and develop secondary hyperthyroidism, the patient may also experience significant hypermetabolic symptoms, such as hyperphagia, lethargy, irritability and weight loss, and may need to opt for surgical treatment by subtotal thyroid excision. For enlarged thyroid nodules that compress the trachea and have significant gas pressure, further surgery is an option. For simple nodules. It can also be treated by radiofrequency ablation, which is relatively less invasive and has a faster postoperative recovery.