Abstract: Under the background of rapidly aging population and health care spending, facing the economic pressure of our country getting old before rich and not sound medical security system, increasing the investment in our national fitness is a low-input but multi-output strategies to resolve challenges.It not only improve nationals physical health, promote their labor productivity to lay a solid foundation for digging the second demographic dividend, but also reduce the government's burden on health care.What is more, it also can form industrial efficiency to promote economic development.In order to promote utility of the investment in national fitness, the government should gradually shifted it develop center from competitive sports to mass sports and take community sports as the core to rebuild new organizational management form of mass sports.At the same time, the government should also develop sports community organizations and market organization to form the state that the government, society and market jointly promote mass sports development.