Purpose: The purpose of this study is to develop a group counseling program to improve the positive psychological capital of psychologically burnt-out secondary school teachers and apply it to psychologically burnt-out secondary school teachers to verify how it affects their positive psychological capital. Methods: To this end, 310 secondary school teachers nationwide were asked to answer the Teacher Burnout Inventory(TBI) and 22 out of 51 teachers who received the results of higher T-score than 55, which is labeled as the “borderline”, on the “psychological burnout” scale and “doubt for teaching profession” scale were selected as experimental and control groups. The result was treated with Mixed ANOVA. Results: As a result of the quantitative analysis, the group counseling program for improving positive psychological capital was effective in improving the psychological capital of secondary school teachers who were psychologically burnt-out, and there were significant differences in the areas of self-efficacy, hope, optimism, and resilience, which are sub-domains of positive psychological capital. Conclusion: It can be seen that the program developed in this study is effective in improving the positive psychological capital of psychologically burnt-out secondary school teachers.