The purpose of this study was to develop an exercise attitude inventory to offer the scholars to understand and study the exercise attitude. First of all, the researcher decided the framework of the inventory that included three subscales: exercise cognition, exercise feeling and exercise behavior. While the items were developed, item analysis, reliability and validity test were administered. There were 18 items that matched the standard of discrimination. The Cronbach α coefficient of exercise cognition was .7697, exercise feeling was .8474, and exercise behavior was .8205. It showed that the inventory had good reliability. The exploratory factor analysis was used to test the validity. The result showed that the inventory had good construct validity.