Distinguishing whether it is vaginal bleeding or urethral bleeding can be done by symptoms, and ancillary tests. 1.Symptoms: (1) Vaginal bleeding: bleeding when not urinating, intermittent, bleeding time is not fixed, most of them are sticky bright red or dark red, can be accompanied by abnormal leukorrhea, lower abdominal pain and other symptoms, urinary system irritation symptoms are not obvious. (2) urethral bleeding: usually urinary tract infection, stones and other reasons, urination from the urethra blood, color is light, usually usually do not bleed, usually accompanied by urinary urgency, urinary pain and other symptoms. 2. Auxiliary examination: (1) vaginal bleeding: you can do sex hormone 6, pelvic ultrasound, laparoscopy and other tests to understand whether gynecological diseases. (2) Urethral bleeding: can do urine routine, urinary system ultrasound and other tests. It is recommended to consult a doctor in time, do a detailed examination, clarify the cause of the disease, and follow the doctor’s instructions for treatment.