The fourth degree of cleanliness, refers to the lower degree of cleanliness in the vagina, most of the time there are more stray bacteria growth occurs, it is easy to combine the occurrence of vaginitis, normal women’s vaginal cleanliness is one degree or two degrees. The normal vaginal cleanliness for women is one or two degrees. When a woman takes a routine test, it will include the cleanliness of the vagina, the pH value, trichomonas, mycobacteria, and other infections. If the routine test of the leukorrhea appears to be four degrees of cleanliness, and there are trichomonas or clues to the growth of cells, most of them are combined with trichomonas vaginitis, bacterial vaginitis occurs, need to be given to the cleansing, and then put into the vagina metronidazole pessary for anti-inflammatory treatment, seven days can be relieved. If there is mycotic vaginitis, you need to use alkaline baking soda solution for cleaning, and then put Dakin suppositories in the vagina for treatment. Due to mixed bacterial infections, anti-inflammatory treatments such as bittersweet gel and pau gynecological suppositories can be given, which are more effective.