Blood down there is usually vaginal or urethral bleeding. Observe the timing of the current bleeding, whether it is after urination or unrelated to urination. If it is not related to urination, it is important to clarify whether you are entering your menstrual period or whether you are ovulating. Vaginal bleeding can also occur during ovulation, although it is relatively light, with or without mild abdominal pain, and there is no special treatment. If the bleeding is delayed menstruation to improve the blood and urine hcg test to clarify whether it is pregnancy. Normally, we should pay attention to rest, and have regular gynecological examination, including cervical cytology examination. Since there are no symptoms in the early stage of cervical cancer, it is often found in the middle or late stage. Therefore, it is necessary to have early examination, clear diagnosis and early treatment to prevent missing the best time for treatment.