The purpose of the study were to investigate the relationship between strain, deviant peer, and low self-control were related to junior high school students' delinquency. This study used self-report questionnaires to collect data from 734 students in eight junior high schools in Taiwan. Method of nested regression model analysis was used to analyze the collected data. The findings indicated that: (1) negative mother-child relationships, negative teacher-student relationships, and negative life events had significant impacts on junior high school students’ delinquency; (2) deviant peer and low self-control were related to delinquency; (3) there were interaction effects between family economic situation, negative mother-child relationships, and negative peer relationships on delinquency. Finally, according to the findings, the study also provided some suggestions.