Indications for breast cancer breast-conserving and axillary surgery need to meet the following points: 1, the biological behavior of the tumor is low malignancy; 2, the maximum diameter of the tumor is ≤3cm; 3, molybdenum target, X-ray suggests that there is no extensive sandy calcification in the breast; 4, single tumor: there is no sign of skin and chest wall involvement; 5, the distance of the tumor to the areola is ≥2cm; 6, the ratio of the tumor to the breast is appropriate, and it is estimated that the preservation of the breast will be able to maintain a better shape after the surgery; 7, the patients who have descended to the stage I, stage II after treatment of localized late-stage breast cancer; 8, the patients have a demand for breast-conservation, which is the most important point; 9, the patients who have a negative biopsy of the sentinel lymph node in the surgery.