The aims of this study were to investigate relation the effects of parent-children relationship on marriage attitude among unmarried persons and to utilize the findings as source material in assessing changes to marriage and family value. In total 654 unmarried persons above the age of 20 in this study. A survey format was used to asked questions, and collected data were subjected to descriptive and comparative analysis using the SPSS(Version 15.0) program. The results were as follows. Among socioeconomic variables, religion was significantly relate to marriage attitude(p < .001). Parent-child relationship and psychological separation was significantly related to marriage value(p < .05). Specifically, high psychological separation from mother, and relationship with father was related to more positive marriage attitudes. Finally, effective socioeconomic variables in marriage attitude were religion, job, psychological separation from mother and father.