Normal leukorrhea should be milky white or colorless and clear, with a slightly fishy odor or no smell. The yellowing of the leucorrhea is an abnormal condition that may be caused by inflammation, such as bacterial vaginosis, trichomonas vaginitis, chlamydial infection, gonococcal infection, and may also be accompanied by vulvar itching or odorous secretions. The presence of fluid in the uterus, inflammation of the fallopian tubes or cervicitis may also cause yellowing of the leucorrhea, which is often combined with abdominal pain. Therefore, if you have yellowish colored leucorrhea, you need to go to the hospital in time to check what kind of inflammation of the reproductive tract is involved, and then take the appropriate treatment measures. If there is no inflammation after the examination and there are no combined symptoms, it is enough to pay attention to hygiene. The slight yellowing of the leucorrhea may also be related to the fact that the amount of leucorrhea is relatively small and takes longer to flow out, as long as there is no inflammation it does not affect. For the yellowing of the leucorrhea, you should pay attention to the hygiene of the vulva every day, wash your vulva with water every day, keep it clean, dry and hygienic, but do not overdo it. At the same time, you should choose cotton underwear and not wear tight or chemical fiber underwear. Do not eat spicy and stimulating food, avoid too frequent sex, do not wash the public tub, have special sanitary products, avoid using sanitary pads all the time, it is best to do a comprehensive gynecological examination once a year. The brown blood of the white belt is usually a small amount of vaginal bleeding that cannot be discharged in time and is mixed in the white belt. Any disease that causes a small amount of vaginal bleeding may manifest as brown leukorrhea. If brown leukorrhea occurs in the middle of 2 periods, it may be ovulatory bleeding, which usually lasts 2-3 days and may be accompanied by mild ovulation pain or back pain. This is due to fluctuations in hormone levels during ovulation and most of them do not require treatment. Brown leukorrhea around the time of menstruation may be due to luteal insufficiency or incomplete endometrial detachment, which can be regulated with progestin or contraceptive pills. Endometrial polyps and endometritis can also cause brown leukorrhea, which is not related to menstruation. Some vaginitis may also cause congestion of the vaginal mucosa and brown leucorrhea. If brown leucorrhea occurs after intercourse, it may be cervical polyp or cervical columnar epithelial ectopic, also known as cervical erosion, or it may be cervical tumor. If a woman has recently taken the emergency contraceptive pill or has just had an IUD, she may also have brown leukorrhea. Therefore, brown blood in the leukorrhea is a sign of abnormal vaginal bleeding and should be seen by a hospital promptly to identify the cause.