This study aimed to determine the relationship of boyfriends to sexual behavior in adolescents in SMP Negeri 16 Sukajadi subdistrict Pekanbaru. The research method used is analytic quantitative observational (cross-sectional). The results of the univariate analysis of the majority of respondents aged 12 years amounted. The majority of the sexes are women and are Muslim; the majority behave negatively. Bivariate analysis results obtained p-value (0,000)