Breast reconstructive surgery is more and more used in the treatment of early breast cancer, treating the disease and reshaping the breast shape at the same time. However, there may be risks in choosing breast reconstructive surgery, which are as follows: 1. The effect of breast reconstructive surgery on the tumor: the timing, way and material of reconstruction are safe for the tumor, and it will not affect the treatment of breast cancer. The timing of the start of chemotherapy also has no effect on the prognosis of breast cancer; 2. Risks of breast reconstructive surgery: the most common complications of reconstructive surgery include bleeding, hematoma, seroma, infection of the postoperative wound, rupture of the prosthesis, and contracture of the periosteum. Generally the prosthesis used in reconstructive surgery is the common prosthesis all over the world, the safety is guaranteed, and the occurrence of complications is uncommon. The biggest risk in autologous reconstruction is the problem of flap necrosis, which has a lot to do with the technical maturity or proficiency of the team. In conclusion, breast reconstruction should be a reasonable and appropriate choice for eligible patients.