FoxM1 promotes tumorigenesis by enhancing cell proliferation and facilitates the invasion and metastasis of tumors [9–11], Several studies have found that FoxM1 is overexpressed and highly correlated with the clinical prognosis in patients with various solid tumors, including breast cancer [12], cervical cancer [13], gastric cancer [14], and non-small cell lung cancer [15]. This evidence concerns the gene FOXM1 and breast cancer.