Yellowish leucorrhea with a small amount of blood when wiped is usually classified into physiological and pathological factors. Physiological factors are ovulatory bleeding, which usually does not require treatment. Pathological factors include vaginitis, cervicitis, cervical erosion-like changes, cervical cancer and precancerous lesions, which need to be treated after clarifying the cause. I. Physiological factors ovulatory bleeding: yellowish leucorrhea with blood, mainly because of the decline of estrogen and progesterone, sensitive endometrium, temporary loss of estrogen and progesterone support, resulting in the shedding of endometrium, the phenomenon of blood in the leucorrhea, while the leucorrhea may also exist milky or yellowish. If there is no itching, odor and redness, it can generally return to normal after 3-5 days. It is recommended to keep local cleanliness, drink more soy milk and eat more peanut butter, onions and black beans to supplement estrogen. Second, pathological factors 1, vaginitis: there can be symptoms of increased vaginal discharge or color change with abdominal pain, serious cases may also appear purulent leucorrhea, you should promptly go to the hospital to check the vaginal pH, amine test and clue cell test. After the doctor confirms the diagnosis, anti-anaerobic drugs such as metronidazole, tinidazole and clindamycin can be used for treatment. 2. Cervicitis: There can be yellowish leucorrhea with blood, often accompanied by irregular menstruation, dysmenorrhea and pelvic heaviness. The symptoms of cervical erosion are yellowish and sticky, and bloody leucorrhea may appear when cervical polyps are present. Electrocoagulation, freezing, laser therapy, etc. are recommended. During the treatment period, sexual intercourse is forbidden and regular review is required. 4. cervical cancer and precancerous lesions: there may be vaginal discharge, the liquid is white or bloody. Patients suspected of having precancerous lesions should undergo cervical biopsy to confirm the diagnosis, and surgical treatment or treatment with interferon drugs is feasible.