The purpose of this study was to predict the stability of the future marriage by understanding the values of marriage, child and sex role among pre-parents. For this purpose, the values of marriage, child and sex roles were compared between male (N = 340) and female (N = 363) university students, Tajeon. The data were analyzed by statistical methods, such as mean, standard deviation, t-Test, F-Test, Multiple-Regression and Duncan Multiple Range Test. The results of this study were as follows ; 1) There were significant differences between male and female students in the values of marriage, child and sex role. 2) The most important demographical variable influencing to the values of marriage, child and sex role was sex. 3) With reagard to the collections between the values of marriage and the positive values of child were negative. But the correlations between the values of marriage and the preference for a son were positive. The correlations between the preference for a son and the values of sex role were also positive. With reagard to the correlations between the values of marriage and the values of sex roles were positive.