Abstract: The essence of deep integration between national fitness and national health is to explore a road to promote health through physical activity, aim to solve these big problems relate to health in the long run and realize the target of healthy China strategy. We should take into account of these factors comprehensively including theory logic, historical logic, reality logic and extraterritorial experiences logic. In terms of path selection to promoting deep fusion between national fitness and national health specifically, we should give priority on concept to solve the cognitive obstacles, deepen reform comprehensively to break through the institutional and mechanic obstacles, Co-construct and share national fitness public service system to supply national fitness public service precisely, establish regulations to benefit maintaining and promoting the confusion, and implement a series of projects to practice the confusion. It is urgent to construct institution and mechanism for national fitness and national health to transform from long term discrete state to deep fusion state, so as to realize the change from compulsive institutional transformation to induced institutional transformation.