According to the World Health Organization (WHO) in 2018, around 75% of women in the world will experience vaginal discharge at least once in their lifetime and as many as 45% will experience it twice or more, while 25% of women in Europe experience vaginal discharge. This research is a quasi-experimental research with a one group pre test post test design design. The population in this study were 34 young women. The sampling technique used total sampling, where the research was conducted by filling out a questionnaire, analyzed using univariate and bivariate analysis. The results of this study showed that of the 34 respondents, the majority of respondents had poor knowledge before being given vulva hygiene counseling, namely 17 respondents (50%), the majority had good knowledge after being given vulva hygiene counseling, namely 20 respondents (58.8%), the majority respondents had poor behavior before being given vulva hygiene counseling, namely as many as 21 respondents (61.8%), the majority had good behavior after being given vulva hygiene counseling, namely as many as 21 respondents (61.8%) and there was an influence between vulva hygiene counseling on knowledge and behavior prevention of pathological leucorrhoea in young women at MTs Nurul Huda