Purpose: The purpose of this study was to find out the effectiveness of the CPR training for non-healthcare providers by checking the performing ability of the subjects before and after the teaching class. Method: This study was a single primary experimental study designed with pre and post test. Study subjects were 37 office staffs who participated in all test from March, 10th, 2005 to April, 18th, 2005. The tools of this study were CPR performing evaluation sheet and CPR teaching computer program. Data analyzed by descriptive statistics, t-test, repeated ANOVA and Bonferroni with SPSS 12.0 program. Result: The CPR practice performing ability statistically significant increased by the step of test. The CPR practice performing ability of learning experience group had significantly high score than non experience group. The self-confidence about CPR practice when faced emergency situation was increased after practice training. Conclusion: One to one CPR practice teaching method using simulation by CPR teaching specialists was turned out to be very effective in improving the ability of CPR practice of non-healthcare providers in a tertiary hospital than self-study.