The fitness industry in Taiwan has started to decline. Because of acute competition, high product homogeneity and complex communication environment in the fitness industry, the communication effects are not obvious. This shows the development of Integrated Marketing Communications in the fitness industry has become more important. This paper is based on theories of Integrated Marketing Communications with the purposes of exploring the six concepts and seven strategies of developing Integrated Marketing Communications in the fitness industry. Finally, seven ideas are suggested about developing Integrated Marketing Communications in the fitness industry in the future, to help fitness dealer develop member-based and external-to-internal communications. The development of Integrated Marketing Communications in the fitness industry has become an urgent need. If fitness clubs can make differential competition advantage in business characters and member relationships through Integrated Marketing Communications, the fitness industry will be more prosperous and long-lasting.