the article presents a literature review on juvenile delinquency, aiming at discussing its concepts and etiology. it addresses both risk and protective factors which adolescent offenders are exposed to. two theoretical models about the origin and development of juvenile delinquency are presented. similarly, a discussion on socio-educational measures and life projects as protective factors that can promote greater social integration is carried out. it was possible to verify,, among other aspects, the need and importance for actions and programs driven both to prevention and treatment of these adolescents.