This essay measures the symbiosis degree of national fitness and sports industry during 2006-2015with the symbiosis degree measurement model. It concludes that national fitness and sports industry can constitute a symbiosis system and have already formed an asymmetrical mutualism symbiosis mode. On the other hand, national fitness has more influence on sports industry than that of sports industry on national fitness. National fitness and sports industry can achieve a collaborative development. Specifically, national fitness and sports industry are in the asymmetrical mu tualism symbiosis condi...