The absence of discharge in the fourth month of pregnancy is usually normal, but symptoms such as itching and odor are often indicative of disease. Most women experience hormonal fluctuations in their bodies after pregnancy, which leads to an increase in vaginal discharge. Normal female leukorrhea is egg white, odorless, and not accompanied by itching. Abnormal vaginal discharge, such as leukorrhea fishy odor, leukorrhea amount, soybean dregs like leukorrhea, often suggests vaginal inflammation, can be divided into bacterial vaginosis, candida vaginitis and so on according to the results of the examination and leukorrhea traits. 1. Bacterial vaginosis: often manifested as increased vaginal discharge, fishy odor, accompanied by vulvar itching, pregnant women can be given nifurtimox vaginal administration. 2. Candida vaginitis: often manifested as an increase in vaginal discharge, leukorrhea was tofu-dregs-like, vulvar itching obvious, pregnant women can be given clotrimazole preparation vaginal drug. Pregnant women who have abnormal vaginal discharge or vulvar discomfort symptoms, need to consult a doctor in time, according to the results of the examination to determine the type of vaginal inflammation, follow the doctor’s instructions targeted treatment. In addition, the specific use of the above drugs should be under the guidance of a doctor.