Leukorrhea test is an important standard of gynecological examination, which can detect the health condition of women’s body. There are many factors that cause yellowish leukorrhea, which is not necessarily inflammation. If the leukorrhea has a slight yellowish color, becomes milky white and purulent, has a slight odor, and is accompanied by symptoms of abdominal pain, it may be caused by chronic cervicitis or endometritis. It may also be due to infection from the use of contaminated hygiene products. Pathogens can enter the reproductive tract through the vaginal opening or enter the reproductive system and cause infection, resulting in increased yellowish leukorrhea. Celiac disease can also cause yellowing of the leukorrhea, if the fissures of childbirth, changes in sex hormones, and sexual behavior can cause inflammation of the cervix, which may lead to increased and yellowing of the leukorrhea. A small number of women who do not have any of the above causes may also develop cervical erosion, i.e. “congenital cervical erosion”, which can also cause an increase in yellowing of the leukorrhea. Pregnant women are more susceptible to Candida albicans infection due to the special period of their bodies. It is better for women not to wear tight-fitting clothes and pants, which are prone to infections that can cause abnormal leukorrhea and are not easily cured. Cold filtering virus, the name of warts class filtering disease, can also cause infection, in the cervix, vagina will also form leukorrhea increase. If abnormal leukorrhea occurs, mostly due to gynecological diseases, it is recommended to go to a regular hospital for the right treatment.