The purpose of this study is to analysis of subjective well-being in the affects university life adaptation of department security programs in university. The subjects in this study were randomly sampled in Kyeong gi do in areas and 332 of department security programs student in university were finally selected. Analyses made by SPSS 17.0 have been applied to following outcomes. The findings of the study were as follows: First, The external situation and psychological physical which is a university life adaptation lower part variable in life satisfaction appeared with positive effects. The qualitative of education which is a university life adaptation lower part variable in life satisfaction appeared with negative effects. Second, The external situation and psychological physical which is a university life adaptation lower part variable in negative emotion appeared with positive effects. The qualitative of education which is a university life adaptation lower part variable in negative emotion appeared with negative effects. Third, The psychological physical which is a university life adaptation lower part variable in positive emotion appeared with positive effects. Fourth, The external situation and psychological physical which is a university life adaptation lower part variable in happy appeared with positive effects. The university study of education which is a university life adaptation lower part variable in happy appeared with negative effects.