Nauli, Fathra AnnisElita, VenyJumaini2015-06-182015-06-182015-06-182406-9175wahyu sari yenihttp://repository.unri.ac.id/xmlui/handle/123456789/7097Adolescent is period of transition between childhood development and adulthood which very susceptible to aggressive behavior. Aggressive behavior is caused by many factors both internal and external factors. The purpose of this study is to determine the factors that related to adolescent aggressive behavior using descriptive correlation design with a cross-sectional approach. This research conducted in Kulim District Tenayan Raya Pekanbaru City with 110 total respondents. Sample are taken using proportionate stratified random sampling technique that has been requested to complete a questionnaire with validity and reability test. Based on an analysis using Chi-square test, it was obtained that there are significant relationship (p value < 0.05) between the four variables namely parenting (p value = 0.003), a history of violence (p value = 0.001), peer social support (p value = 0.048) and electronic media (p value = 0.002) with adolescent aggressive behavior. Based on the results of this study, it is suggested to public health officials to more understand about the various factors that influence adolescent aggressive behavior, which can be used as a basis for providing health education for the prevention on of agressive behavior in adolescentsenAggressiveadolescentsbehaviorUR-Proceedings