How many axillary lymph nodes should be cleared for breast cancer is not a correct statement, because there is no specific number, and the treatment should be based on individual situation. Lymphatic cleansing of armpit for breast cancer can help remove cancer cells. During the cleansing period, the number of axillary lymph nodes varies according to the spreading area of the cancer cells and the number of axillary lymph nodes of each individual, and some patients only need to clear the sentinel lymph nodes, so the number is relatively small, about 1-3 nodes. During the period of axillary lymph node dissection for breast cancer, it is necessary to do a good job of nursing, strengthen nutrition, eat more high-protein food, reduce the intake of spicy and deep-fried food, and do a good job of preventing postoperative infections, and go to the hospital for rechecking regularly to clarify the recovery situation.