National fitness activities are an important way and means to achieve national health，is the basic guarantee for all the people to enhance their physique and happy life. Implementing national fitness program is an important development strategy of the country. Beijing has entered the Olympic cycle，the 2022 Winter Olympics for Beijing to further develop the people’s fitness opportunities for the development of ice and snow sports to create favorable conditions. From the perspective of the mutual aid mechanism between the Beijing National Fitness Program and the Winter Olympic Games，this paper draws the following conclusions： from the impact of the Winter Olympics，to carry out comprehensive fitness sports is conducive to improving the scientific and technological level of ice and snow projects，expanding the number of Olympic talents，creating a good atmosphere for the Winter Olympics；bidding and organizing the Winter Olympics is conducive to expanding the mass base of winter sports in Beijing，and strengthening the infrastructure construction of ice and snow sports in Beijing，and enrich the contents of the national fitness program. We suggest that all kinds of targeted measures should be taken from the community，enterprises and schools to improve the mutual assistance mechanism between the national fitness campaign and the Winter Olympic Games.