There are many pregnant women in late pregnancy will appear leukorrhea increase, at the same time prone to perineum odor as well as itching symptoms, mainly due to pregnancy, due to hormone level changes, resulting in a series of changes in the pregnant woman’s body will appear, such as perineum become more than before more hypertrophic, congestion more obvious. Due to hormone levels, the vaginal environment has also changed, coupled with the resistance of pregnant women with pre-pregnancy compared to a decline, easy to get infected with vaginitis. Common vaginitis late pregnancy is most likely to occur mycosis fungoides, if the symptoms are more serious, may lead to premature rupture of membranes or intrauterine infections, so it is necessary to carry out active and systematic treatment. The vaginal discharge and cervical mucus will also increase before the imminent onset, which is a symptom of imminent labor, and hygiene should also be observed at this stage.