Education on reproductive health is an important issue that needs attention from all parties. During adolescence, physical and sexual growth begins to develop rapidly. Adolescents who will marry and become parents should have excellent reproductive health, so as to produce a healthy generation. In the community, community leaders, both parents and adolescents themselves, should be more open about health problems, especially reproductive health. This research uses quantitative research types, according to Kusmiran (2014) quantitative research is a type of research that aims to get conclusions by using data in the form of numbers, as a tool to analyze information from the conclusions to be reached. This research was conducted from January 2019 - June 2019 at SMP Negeri 6 Desa Sijarango I. The population in this study were all junior high school girls who had menstruated, totaling 40 students. The sample in this study were all teenagers of SMP Negeri 6 Desa Sijarango I who had menstruation, as many as 40 students (total sampling). The results showed that based on knowledge, the majority of respondents who had good knowledge had good attitudes as many as 21 respondents (52.5%) and respondents who had poor knowledge, the majority had bad attitudes as many as 22 respondents (52.8%).