When there are bacteria in the vagina, it means that the vagina is infected by a variety of bacteria, trichomonas or mycobacteria, and the decrease of the dominant group of lactobacilli in the vagina leads to the imbalance of the normal flora in the vagina, and the phenomenon of the proliferation of other pathogenic bacteria will occur. Women with vaginal bacteria will have a series of vaginitis symptoms, such as increased vaginal discharge or even yellowing, and there will be vulvar itching, redness and swelling, the need for routine examination of secretions to clarify the factors of infection. For mild vaginal fungus can be treated by vaginal cleansing as well as topical medication, which can be used as cleanser and metronidazole pessary inserted into the vagina for treatment. It is recommended that women keep the vulva clean in their daily life and observe the secretions to remove them in time to prevent long-term accumulation of infection.