This study is a search for facilities satisfaction and dissatisfaction factors recognized by fitness center users. To that end, an open survey was conducted on 287 fitness center users and all interviewed in depth by a group of six experts. In particular, an open questionnaire was conducted to explore demographic characteristics, facility satisfaction, and dissatisfaction factors. The following questionnaire, the fitness center selects three users, and the three related people who are satisfied with the facility's use by selecting the results of in-depth interviews and complaints. First, the satisfaction factors for the use of fitness center facilities appeared in three areas and eight detailed areas, including facility satisfaction, program satisfaction, and leadership satisfaction. Second, the causes of dissatisfaction with the use of the fitness center facilities were the unsatisfactory equipment, the unsatisfactory service, and the unsatisfactory facilities of a fitness center, showing up to three areas and eight detailed areas.