Place of study: People’s Friendship University of Russia. <...> E-mail: epetima@mail.ru Annotation Objective: The purpose of a scientific article is that on the basis of comprehensive analysis of existing legislation to investigate a number of issues the institute pre-trial agreement on cooperation, to develop and justify proposals to improve it. <...> These goals led to the formulation and approval of the following tasks: To find out the socio-legal and criminal procedure appointment mechanism of pre-trial agreement on cooperation; Formulate and justify proposals for ensuring procedural safeguards who has concluded a cooperation agreement; Formulate and justify specific provisions for the improvement of criminal procedural law in the implementation of the institute pre-trial agreement on cooperation. <...> Method: The general scientific dialectical method of knowledge allows us to consider this phenomenon in its development, in all relationships with other procedural and criminal law institutions, as well as the general scientific methods: structural and functional, historical, formal – logical methods (analysis, synthesis, concretization, analogy, modeling), statistical, comparative, sociological (including questionnaires and interviews). <...> Conclusions: Criminal Procedure Law does not bind the possibility of concluding the pre-trial agreement on cooperation with the procedural status of the person. <...> It seems appropriate to conclude pre-trial agreement before criminal proceedings with a person having criminal relevant information and willing to assist in solving crimes, wants to have appropriate safeguards for the occurrence of the positive consequences of the law, but does not have such a status. <...> The reason for the institution of criminal proceedings is the decision on the conclusion of the pre-trial agreement on cooperation and the direction of the respective materials in the preliminary investigation body to address the issue of a criminal case. <...> Scope of the study: the analysis of chapter 40.1 of the RF Code of Criminal Procedure; formed and settle concrete proposals to improve the legislation on criminal procedure in the implementation of the institute pre-trial agreement on cooperation. <...> Practical value: the conclusions and recommendations contained in the article can be used in the further improvement of the Criminal Code of the Russian Federation; in research work on this issue. <...>