Taiwan weightlifting gained the first men weightlifting medal in Los Angeles Olympics in 1984. Taiwan got two bronze medals in Beijing Olympics in 2008. Therefore, Taiwan weightlifting has excellent performance in international games. The weightlifting has developed over fifteen years in Taiwan. In recent years, Taiwan won a lot of weighting medals and has an important position in international games. Furthermore, the government provide prize and introduce experienced foreign coaches in order to promote weightlifting. In fact, the development of weightlifting is a dynamic and complex process and the development relates government, students, athletes, and coaches. This study used the system thinking to explore the development of weightlifting in Taiwan. Furthermore, this study constructs a qualitative model which consists of three positive feedbacks and one negative feedback.