Causes of vaginal blood: 1, can be seen in physiological vaginal bleeding, such as menstrual flow or ovulation bleeding, etc. 2, can be seen in organic lesions caused by, such as submucosal uterine fibroids, uterine adenomyosis, ovarian tumors, or endometrial polyps, uterine keloidal diverticulum, etc., can cause vaginal bleeding. 3, can be seen in gynecological inflammatory disease, such as inflammation of the vagina, inflammation of the uterine cervix, endometrium, etc. 4, can be seen in Cervical lesions, such as precancerous lesions or cervical cancer, may cause abnormal vaginal bleeding. For patients with vaginal bleeding, first of all, they need to go to the hospital to check the blood HCG value, to exclude the possibility of pregnancy, and then gradually exclude other diseases, and then choose the right treatment.