The main purpose of this research was to the relationship among job investment and job performance of general affairs division staffs in Changhua County. The questionnaire survey method was used for research, with stratified convenient sampling. A total of 700 questionnaires were distributed by stratified random sampling, 678 questionnaires were collected, with 640 valid returns, 91.4% valid returned rate. SPSS computer statistical software was for descriptive statistics, Pearson's correlation, simple and multiple regression analysis. The results were as follows: Those with bettered job investment had bettered job performance, but bettered job evaluation, attention, identity, fun had bettered job performance. It is hoped that this research can provide reference for educational institutions to effectively increase general affairs division staffs's sport coping in Changhua County, also through the sport coping effect lower job stress, increase job investment and performance.