Gynecological pentamerism is to take vaginal secretions for examination. The examination includes hydrogen peroxide, leukocyte esterase, sialoglucosidase, proline aminopeptidase, and acetylamino glucosidase. It is mainly used to check vaginal cleanliness, bactericidal strength, anaerobic infection, bacterial infection, Candida infection, etc. Under normal circumstances, the environment in the vagina is weakly acidic, due to the growth of lactobacillus to maintain, if there are more inflammatory cells or bactericidal ability is reduced, it will easily lead to dysbiosis and vaginal inflammation. Women should pay attention to keep their vulva clean and hygienic, don’t eat cold and spicy food, and forbid to have sex during vaginal inflammation and menstruation, otherwise it will also lead to recurring vaginal inflammation.