Objective : The purpose of this study is to develop the one-session positive psychology based strength enhancing workshop and verify effect of this program. This program is composed of lecture based on positive psychology and activities for identifying and utilizing personal character strengths. Methods : Total 81 participants were participated in this study. Positive Resources Test was assessed the change of personal positive resources at pre-, post program and subjective satisfaction for the workshop was measured at the post program. Repeated-t test was performed to identify the effect of this program. Results : Among the positive resources, satisfaction with life, positive affect, gratitude, acceptance, personal growth, efficacy, flow, resilience, hope, spirituality are significantly increased after program. Conclusion : Although this study is a single-session program without control group for comparison, it is meaningful to try a short-term intervention concise the program consisting of more than 8 sessions. This study will be based on the future development a variety of positive interventions.