Objective To assess the value of breast plastic surgery in breast conserving surgery for breast cancer.Methods Study subjects included 98 cases with breast conserving surgery for breast cancer.According to the location and size of tumor,breast incision was designed to perform local extended resection,then repairment of breast defects was performed using self breast or external mammary tissue valve repair.Surgical procedures,positive margins,complications,and patients’ satisfaction were observed and recorded.Results Main surgical techniques performed for the patients included inverted-T superior pedicle technique,medial reduction,inverted-T inferior pedicle technique,J technique,lateral pedicle adipofascial technique,and periareolar incision technique.After surgery,17 patients (17.35%) showed positive margins and became negative after reoperation;13 cases developed complications,with a complication rate of 13.27%;the satisfaction rate of the patients was 88.78% (87/98).Conclusion Breast plastic surgery is effective for the patients with breast conserving surgery for breast cancer and could reduce complications and improve patients’ quality of life and satisfaction.