The purposes of this study were to investigate the relationships among the members' motivation, participating, satisfaction and loyalty. The empirical study was undertaken on the Taipei Gold's Gym Health & Fitness Club. The results were obtained by this study as follows: Firstly, the male members was slight higher than female members. The majority of members were between 21 and 40 years old. Most of them owned the degree of college and were businessmen. The major consideration factor was traffic conveniences. The member participation was more then 3 times per week. The staying time was 1-2 hours. Most members attended the club after 6 p.m. Secondly, according to the factor analysis, we found that the main four dimensions of participating motivations were "the need of health", "the requirement of achievement", "the need of society" and "the requirement of knowledge". Meanwhile, the main influential factors of customer's satisfaction were "convenience", "service attitude", "facilities and courses", "image", "price", and "promotion". Thirdly, the most important element in participating motivations was "the need of health". And so as to the "convenience" in customers' satisfaction. Fourthly, The members' loyalty were high to Taipei Gold's Gym Health & Fitness Club. Lastly, the structural equation model was resolved by LISREL 8.52 software. The customer's satisfaction was affected positively by the members' participating motivation. The loyalty was affected positively by the members' participation and customer's satisfaction.