Oophorectomy will not reduce the recurrence of breast cancer, mainly because the metastasis of cancer is through blood or lymphatic metastasis, although the lesion is removed, it is inevitable that the cancer cells will be in the blood or lymphatic metastasis to the next organ, so removing the ovaries does not have a corresponding effect on the reduction of the recurrence of breast cancer. After surgery, breast cancer patients must undergo regular checkups and self-examination in daily life, and often feel whether the subclavian lymph nodes and the lymph nodes in the armpits are enlarged or not, which is the most basic checking method. Once there is enlargement, go to the hospital for examination and postoperative review is very important, must be in accordance with the doctor’s instructions for review, and find abnormalities in a timely manner.