Thyroid tumor is a common and frequent disease. In view of its special location, people pay more and more attention to minimally invasive and aesthetics while removing the lesion. To achieve this goal, some scholars advocate lumpectomy for thyroid lobectomy with concealed incision and positive cosmetic effect, however, others question the minimally invasive nature of lumpectomy, arguing that lumpectomy for thyroid lobectomy is not minimally invasive surgery. For this reason, we used a low-collared small incision for the affected glandular lobe plus isthmus resection, which has provided excellent results in terms of minimally invasive and aesthetic improvement. Surgical method: An incision was made 1 to 2 am above the jugular vein incision along the median skin line. The skin, subcutaneous tissues, and the broad jugular muscle are incised for 3 to 5 cm. The flap was separated upward to the laryngeal node using an electric knife under the broad jugular muscle, and downward for about 1 cm, and the layers were cut along the cervical white line to the thyroid gland, and the muscle groups were pulled apart, and the thyroid gland was separated at the gap between the true and false perineum to explore the bilateral thyroid gland and the swelling to further define the extent of the lesion. For the inferior thyroid artery, the principle of “selective exposure” is adopted, and the entire dissection is routinely performed when the recurrent laryngeal nerve is closely related to the thyroid gland, which can reduce the chance of effective collateral injury. The principle of “treating the branches and preserving the trunk” is adopted for the inferior thyroid artery, i.e., the branches of the inferior thyroid artery are dissected close to the thyroid gland without separating the main branches. After placing the drainage tube, the incision layers were sutured, and the skin was closed with intracutaneous cosmetic sutures. The main advantage is that different key points are treated separately to achieve the target, as shown in the following points: ① The incision is low and small, after separating the flap under the broad cervical muscle and cutting along the cervical white line to the false thyroid peritoneum, pulling the muscle group (without transecting the muscle) and separating between the real and false thyroid peritoneum (the real operating space is in this plane). It avoids the unnecessary trauma caused by the traditional method of separating the flap under the broad neck muscle in a large area, and the postoperative edema of the flap is significantly reduced, which is in line with the principle of minimally invasive surgery. The small incision with low collar is easily concealed and does not affect the aesthetics, which is especially suitable for young female patients. ②Thyroid swelling performed on the affected gland lobe plus isthmus is in line with the principles of tumor surgery, reducing the chance of recurrence and avoiding the chance of secondary surgery. If the swelling is found to be malignant intraoperatively with local lymph node enlargement, lymph node dissection in area VI is added. If necessary, the incision can be extended to perform combined radical surgery. (③) The low collar small incision operating space is limited and reaches the limit of developed surgical operation. However, it is flexible and can extend the incision quickly in case of accidents, such as hemorrhage, and facilitate emergency treatment. The technique requires a high degree of skill, and the principle of “dominant hand” is adopted for the upper pole of the thyroid gland, and the principle of “treating the branches and preserving the trunk” is adopted for the inferior thyroid artery. The principle of “selective dissection” is adopted for the laryngeal recurrent nerve, and the “ultramicrotomy technique” is adopted for the posterior dorsal thyroid membrane. This procedure does not require special equipment and has the advantages of simple operation and easy promotion.