Abstract: Leaning on the archival materials, this article examines the work of the Prosecutor's Office of Khakass Autonomous Oblast in the 1960s, as well as highlights positive and negative aspects therein. The object of this research is the Soviet Prosecutor's Office. The subject is the activity of the Prosecutor's Office of Khakass Autonomous Oblast in the 1960s. Archival sources contain meeting protocols, briefing notes on the work of city and district prosecutor's offices of Khakass Autonomous Oblast, internal reports on the work of the prosecutor's office, etc. The article employs the historical-comparative method for studying the types of activity of district prosecutor’s offices of Khakass Autonomous Oblast and criminal situation in these districts; quantitative methods for tracing the amount of crime, percentage ratio, number of cases, etc.; systemic-functional method for consideration of tasks faced by the prosecutor's office. The main types of activity in the 1960’s indicate oversight activity, crime prevention, legal propaganda, monitoring the execution of the decrees of the Prosecutor General of the Soviet Union, participation of the prosecutors in court hearings, consideration and resolution of citizens’ complaints.