Crime prevention measures are categorized into two types: social measures of general prevention, such as educational system improvements, and measures to eliminate certain types of crime. All measures conform with the basic principles of legality, democraticism, humanity, validity, and workability. Noted are methods of preventive work performed by the following law enforcement agencies: internal affairs, the prosecution, the courts, and the Procuracy. Preventive activities of investigators include discussions with associates of those who have committed crimes about preventive measures and media cooperation to educate the public. Specific crime prevention activities undertaken by the courts are described, with attention to indepth analysis of the causes and conditions conducive to crime. Laws regulating the crime prevention activity of the Procurator's Office are surveyed, as is that agency's role in monitoring and coordinating crime prevention efforts of other law enforcement agencies. The article includes 10 references and excerpts from the Soviet Union's constitution.