The purpose of this study was to investigate the relationship among decisional balance and leisure flow, leisure benefit of continues swimming participators. For this, 209 participants of master’s swimming contest were investigated and collected materials were analyzed through frequency analysis, MANOVA, factorial analysis, reliability analysis, correlation analysis, and multiple. regression analysis. Analysis results are like following. First, in the difference of balance of decision-making by steady swimming participants’ personal characteristics, all parts of swimming career, swimming frequency, swimming hours, number of contest participation, and whether or not of winning contests showed difference, showing the same results to the existing advanced researches as even in the same difference, the positive factor accounts for big portion. Second, in relations among balance of decision-making, leisure immersion, and leisure benefits, all positive and negative factors of balance of decision-making appeared to influence and while in the existing advanced researches, positive factors gave positive effect and negative factors negative effect, in the study negative factors give positive effect, which should be paid attention to.