Purpose The purpose of this study was to verify their effectiveness as we develop and apply worksheets for improving life skills and resilience of collegiate Taekwondo athletes. Methods The study went through three stages: developing, applying, and evaluating. In the developing stage, literature review, expert meeting, and pilot test (n=25) were conducted to develop the worksheets. In the applying stage, 37 athletes participated in life skills program using the worksheets. Data were collected by survey and in-depth interview. In the evaluating stage, paired t-test, word cloud analysis, and inductive content analysis used to identify the effect of worksheets. Results First, the worksheets were composed of 3 stages (plan, acquisition, implementation) and 15 sessions including 12 factors of life skills. Second, the worksheets were applied in each phases such as planning, acquiring, and implementing. In the planning phase, they understood life skills knowledge and set goals. In the acquisition phase, students learned specific life skills’ strategies. In the practice phase, the acquired life skills were applied and practiced in real life and relationships. Third, the result of paired t-test showed that all the factors of life skills and 6 factors of resilience were significantly improved. In addition, word cloud and in-depth interviews revealed that the participants' cognitive and psychological changes were most prominent. Conclusions The life skills worksheets consists of 12 factors in 15 sessions and can be considered as an effective intervention tool for improving the resilience and life skills of collegiate Taekwondo athletes.