(1.China Athletics College，Beijing Sport University，Beijing 100084，China；2.School of Physical Education，Shanxi Normal University，Linfen 041000，China；3.Tiantai County Sports Development Center，Taizhou 317200，China)
Abstract: By using the methods of literature, interviews, and logical analysis to discuss the working mechanism of grassroots sports committee member firstly established by Tiantai county in Zhejiang. The working mechanism of grass-roots sports committee in Tiantai county has shown some practical experience as follows: building a team of sports committee members to create a new grassroots sports society organization; establishing multiple management systems to enhance the vitality of grassroots sports committee members; setting up sports service platform to form a new situation of grassroots sports governance. Finally, the study thinks about the national fitness work at the grassroots level from the following aspects, such as forming a new model of network governance of grassroots sports, establishing a long-term management system of grassroots sports committee members, and constructing a public sports service system for national fitness.
Keywords: national fitness；public sports serrice；grassroots sports committee member；working mechanism；Tiantai county