Bloody leucorrhea is a mixture of blood in the leucorrhea, the amount of bleeding is variable, especially after sexual intercourse with blood must be alert to genital malignant tumors. Bloody leucorrhea is mainly seen in the following areas: irregular menstrual cycle with blood in the leucorrhea, commonly due to gonorrhea but also need to exclude endometrial cancer. Long-term persistent leukorrhea with blood, mostly seen in malignant tumors cervical cancer and endometrial cancer. Leukorrhea with blood after menopause needs to be considered whether it is pregnancy and miscarriage, ectopic pregnancy, etc. Menopausal women need to exclude malignant tumors. Leukorrhea with blood after sexual intercourse, mostly seen in cervical erosion, acute cervicitis, cervical polyps. Leukorrhea with blood around menstruation is usually due to abnormal luteal function of the ovaries. A small amount of brown discharge in the middle of menstruation usually clears naturally within a week, consider ovulatory bleeding. There is also a kind of withdrawal bleeding caused by oral emergency contraceptive pill. So there are many reasons for leukorrhea, but once there is abnormal bleeding of leukorrhea, you need to go to the hospital in time to rule out the cause of the disease, so as not to delay the disease, early detection and early treatment. Long-term irregular vaginal bleeding is also likely to cause anemia infection, must pay attention to the.