Abstract:In 2015,the CPC Central Committee on Strengthening and Improving the Party's Mass Work pointed out that the mass organization should adhere to play the role of bridge and link.The so-called "pivotal"refers to playing the role of resource transmission,information communication. value transmission.organization and coordination,ete.The key difficulty is the institutional interaction between labor unions and the state,namely,the party committee,the people's congress,the goverment and the political consultative conference.The overall goal of the labor union to play a pivotal role is "one center,two capacities".A center is the central task to enhance the actual coverage of labor unions;the two capacities refer to the ability of labor unions to participate in social governance and the ability of the messes to participate in the society through trade unions.To play the pivotal role, trade unions can try to follow the mutual cooperation path of organizational construction,position construction,cultural construction,and ultimately achieve the integration of national organization of individuals and atomization of individuals.