The results showed that SNP sites such as AKR1C2 (rs116900756), AKR1D1 (rs9642092), CYP11B1 (rs1134095), CYP3A7 (rs45446698) appeared simultaneously in the MR analysis results of TT and BioT on ovarian cancer, endometrial cancer, endometriosis, PCOS and POF. The gene discussed is AKR1C2; the disease is endometrial cancer.