Uterine cancer refers to endometrial cancer, which mainly occurs in the endometrial epithelium of the uterus and is a cancer of female reproductive parts. The causes of endometrial cancer are not clear. The factors that cause endometrial cancer include: 1. Patients with anovulatory uterine function and polycystic ovary syndrome, in which the endometrium is overgrown by estrogen without progesterone antagonism, causing endometrial lesions. 2. Ovarian tumors that secrete estrogen, such as granulosa cell tumor and follicular membrane cell tumor. 3. Postmenopausal women who take oral estrogen for a long time or after breast cancer surgery and take tamoxifen for a long time, which can 4.Late menopausal women, women with obesity, hypertension, diabetes and infertility are also high risk of endometrial cancer. 5.Endometrial cancer is related to genetics, and the most closely related genetic syndrome is Lynch syndrome, also known as hereditary non-polyp colorectal cancer syndrome.