The patient uses cervical plexus plus local anesthesia to make a transverse arc-shaped incision 1.5 cm above the sternal notch, equivalent to the cervical crease, with a length of 5 to 8 cm, and uses an electric knife to incise the platysma and deep cervical muscles. The intermembranous separation flap extends from the upper edge of the thyroid cartilage to the sternal notch. The bilateral superficial jugular veins are retained without ligation and the anterior cervical muscles are not severed. The white line of the neck is incised to reach the outer capsule of the thyroid gland and thus the capsule. Between them, use a small retractor to open the muscles, treat the superior and inferior thyroid arteries, middle thyroid vein and inferior thyroid vein respectively, separate the thyroid isthmus to fully free the gland, and then use extra-incisional resection to remove the gland. Intracapsular resection of the thyroid gland ensures the integrity of the thyroid capsule. Use rubber tube drainage from below the incision. The intradermal sutures of the subcutaneous tissue incision of the anterior cervical muscle extensor fascia should be sutured with 4/0 absorbable sutures for 3 to 5 days after the operation. Discharged.

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