The purpose of this study was to investigate the certification system of kid's fitness instructors in Taiwan. For the promotion of instructor's professional abilities and the improvement of training scheme, literature reviews was used for construction of the kid's fitness instructor certification system. In order to achieve the aim of this study, literature reviews, questionnaires, and experts' discussion were used. The results are as follows: A. The professional indexes include three first-level indexes: 1. Professional knowledge. 2. Professional abilities. 3. Professional attitude. Under the first-level indexes, there are ten second-level indexes and thirty-two three-level indexes. B. By reviewing literature and consulting experts, the kid's fitness certification system and some advices about kid's fitness curriculum also are developed and provided in the future, respectively.