The study results from the analysis of the labor lawsuits of the Regional Labor Court- MS from 1964 to 1969, linked to the project, "Analysis of labor lawsuits of the Regional Labor Court- MS (1962-1984)", established by agreement With the TRT of the 24th MS Region, together with the Dom Bosco Catholic University. The research aims to contribute to the preservation of the memory of work and of the worker in Brazil, especially in the state of MT/MS, from 1964 to 1969. The methodology was based on the deductive method through documentary analysis and theoretical background, / Bibliographical readings in books, newspapers, articles on the memory of labor and Brazilian labor laws. Surveys were made of labor laws created or adapted during the period analyzed, at a time when the country was undergoing a military dictatorship and analyzes of various processes on the situation of workers in the period analyzed. [ABSTRACT FROM AUTHOR]