This study was attempted to examine the effects of various sociopsychological factors related to the qualify of life as an ultimate purpose of aerobics exercise. For analysis of this study, total 1022 subjects of 517 18-year-old female and male participants in aerobics exercise from commercial sports facilities, public sports facilities, and universities located in Seoul and Gyeonggi-do province were sampled as experimental group and 505 female and male non-participants in aerobics exercise in the neighboring areas were sampled as control group. The questionnaire was applied following standardization or testing of validity and confidence, and the effects of factors were verified by covariance analysis, multiple regression analysis, and path analysis. Findings of this study derived from the above process are as follows: First, it was revealed that the participants and the non-participants in aerobics exercise showed significant difference in Flow Experience and the quality of life: the participants had higher Flow Experience, and the quality of life than the non-participants. Second, it was found that participation in aerobics exercise affected flow experience: the participants experienced higher flow through release of stress, paticipation in aerobics exercise for their living, self-satisfaction and the quality of instructor among the sub-factors: however, it was identified that participation in the exercise for leisure affected negatively them. Third, it was found that participation in aerobics exercise affected the quality of life: personal relations, social life and the their living affected negatively the quality of life. Fourth, it was shown that there was cause-and-effect relation among participation in aerobics exercise, Flow Experience, and the quality of life.