The work examines theoretical and practical problems of qualification of criminal acts through the prism of the subject of the crime, analyzes modern criminal legislation and judicial investigative practice. Particular attention is paid to the most complex and controversial issues of qualification of crimes with a special subject, which have not found sufficient coverage in criminal law literature and in the activities of law enforcement agencies. The work may not only be of interest to researchers, teachers, graduate students, students, law enforcement officers, but also attract the attention of everyone interested in issues of criminal law.