Bleeding below the advanced stage of ovarian cancer may be caused by the metastasis of cancer cells to the uterine cavity, or tumor necrosis and bleeding. Late stage of ovarian cancer has lost the chance to do surgery, and the patients’ life is mainly prolonged and life quality is improved by comprehensive treatment methods such as radiotherapy and chemotherapy, and the therapeutic effect of late stage of ovarian cancer is not very good, and the prognosis is relatively poor, and the survival rate of 5 years is only 20%-40%. Ovarian cancer is a common malignant tumor of female reproductive organs, which poses a serious threat to women’s life. Due to the small size of the ovary in the pelvis and the lack of typical clinical symptoms, it is difficult to be detected at an early stage, so many patients are already in the middle or late stage when they are found.