Under the background of the national fitness strategy and the healthy China strategy becoming national strategy，mass sports is playing an important historical role，and bearing the duty of new era's in the key stage of the imminent moderately prosperous society. This paper expounds the strategic significance，times value and social function of “Six-Around” Project through the systematic analysis of the discussion and deployment about mass sports from the leader of the General Administration of Sport of China，studying major policy documents about sports and social development issued by our country，combing the series speeches and explanations about “Six-Around” Project from the leader of the General Administration of Sport of China，combining the research results of mass sports，and the national fitness strategy from related scholars. Study shows that the “Six-Around” Project is the important carrier to develop people-centered sports，the key point to solve new contradictions in mass sports，the significant assurance to improve the quality of mass sports development，the crucial support to advance the national fitness strategy，the vital measures to realize the healthy China strategy and the critical approach to promote Chinese sports culture.