Radiofrequency ablation of thyroid nodules: It is a new method of thyroid nodule treatment carried out at home and abroad in recent years. Through ultrasound guidance, the radiofrequency needle is inserted through the skin and precisely into the thyroid nodule, and the high temperature generated by the radiofrequency needle causes the activity of the nodule cells to disappear completely, achieving the same effect as traditional surgical treatment. The advantages of radiofrequency ablation of thyroid nodules compared with traditional surgical treatment: 1, outpatient treatment or 1 day hospitalization 2, local anesthesia 3, small trauma, no surgical scars; aesthetic 4, no damage to normal thyroid tissue, no hypothyroidism, no need to take medication for life after treatment Efficacy of radiofrequency ablation of thyroid nodules: After 6-12 months of absorption of inactive thyroid nodules, the volume can be significantly shrink or even disappear. Indications for radiofrequency ablation of thyroid nodules: 1. nodules diagnosed as benign by needle aspiration cytology or coarse needle aspiration biopsy 2. nodules with obvious pressure symptoms, such as neck discomfort, pain, swallowing difficulties or even breathing difficulties 3. nodules that are not suitable for surgical removal or refuse surgery 4. nodules that are convex and affect the aesthetics or have high requirements for postoperative aesthetics 5. nodules with recurrent malignant thyroid lesions 6. nodules that are overly anxious about the thyroid gland Nodules excessive anxiety