Abstract: The historical appearance of the Party magazine as an“ organ” shapes its own function. The dissemination of Marxism by Party journals represented by Communist Party and New Youth has the dual functions of“ cohesion organization” and“ knowledge weapon”.In the aspect of“ cohesion organization”， the party journal not only produces Marxist content， but also produces the consumption subject of the content， which promotes the growth of the party organization team. The Party journal builds the legitimacy of Marxist discourse through the exclusion of external discourse and the purification of internal discourse， and enhances the recognition of organization members to the organization. Because of the group orientation in text form and wording， the party journal has the reading effect of“ Marxist community”. In terms of knowledge “weapon”， communist party through the integration of discourse strategies and metaphor rhetoric way of knowledge transformation of marxism， and establish a“ communist party -the communist party-the masses of workers and peasants” marxism information flow model， through the way of“ two levels of communication” to make marxism was mastered by the masses， and then turn theory into material force.