Thyroid surgery needs to be based on the patient’s specific condition to choose the appropriate treatment program, the specific operation part of the preoperative preparation, choice of surgical methods, the specific steps of surgery. 1. Preoperative preparation: in addition to the general routine preoperative preparation, indirect laryngoscopy is also needed to understand the patient’s vocal cord activity, the trachea and mediastinum of the neck and chest, and to check the blood calcium and blood phosphorus. In order to avoid the occurrence of hyperthyroidism crisis after the surgery, special medication is needed before the surgery, and the use of iodine can make the thyroid gland harden and reduce the bleeding. 2. Selection of surgical methods: subtotal resection of both lobes of the thyroid gland to retain 6g, total resection of the thyroid gland lobes to retain less than 2g. 3. Surgical procedure: make a curved incision in the neck, deal with the neck muscles and blood vessels, dissect the suspensory ligament of the thyroid gland, expose the thyroid gland, free the lower pole, dissect the isthmus of the thyroid gland, identify the recurrent laryngeal nerve and deal with the isthmus artery of the thyroid gland, according to the preoperative plan to retain a certain amount of thyroid tissue, and then resect the rest of the thyroid tissue and close the wound with sutures after tight hemostasis, and the other side of the body was handled in the same way. If the patient has any abnormal manifestations, it is recommended that the patient should go to endocrinology or thyroid and breast surgery department.