The purpose of this study was to analyze the predictors of peer relationship and the dysfunctional family on life adjustment in university. The participants of study were 415 university students in Seoul province. A survey was carried out using convenient sampling, and correlation analysis and multiple regression were conducted. The results were summarized as follows: First, as for the peer relationship, dysfunctional family and life adjustment in university, all of the subvariables except for conflict, distrust and university of adaptation show significant correlations. Second, a multiple regression analysis showed that, in order of significance, conflict resolution, problem parents, recognition and attention variables significantly affected life adjustment in university. This has implications for the prevention of misfit university students, the related program development, and various policy establishments.