In the context of Leguia's oncenium, the biweekly Labor burst into Lima in 1928. Edited by Jose Carlos Mariategui, the bulletin was intended to promote the labor movement in Peru. In this sense, the research aims to analyze the labor political discourse of Labor based on four thematic axes: trade unionism as a form of labor organization, the development of the labor movement in Peru, the abuses of imperialism against the proletariat and the Peruvian agrarian problem.