This research is aimed at identifying the problems of the regulation and enforcement of current criminal law norms for counteracting such crimes against human freedom as kidnapping, illegal imprisonment, human trafficking and the use of slave labor, as well as at working out suggestions on solving these problems. The sphere of the research is public relations that emerge in connection with the development and enforcement of criminal law norms on liability for these infringements on personal freedom. The object of research is a number of problems in legislation, theory and practice whose analysis will make it possible to gain an integral and detailed understanding of historical and social prerequisites, trends and directions of the development of the institute of criminal liability for crimes against personal freedom. The authors analyze the clarifications of the plenum of the Supreme Court of the Russian Federation included in the decree «On Court Practice for Cases of Kidnapping, Illegal Imprisonment and Human Trafficking» of December 24, 2019 № 58, the published practice of the Supreme Court of the Russian Federation and the courts of the subjects of the Russian Federation on criminal cases of the above-mentioned crimes against personal freedom, as well as the official statistical information of the Court Department of the Supreme Court of the Russian Federation on convictions for such crimes. The methodological basis of this research comprises both general and special research methods, including the specific-sociological and comparative legal ones. The complex research of the problems of liability for crimes against personal freedom is used as a basis for formulating and validating specific suggestions on improving criminal law norms on liability for such infringements and the practice of their enforcement. Specifically, the article contains recommendations on determining the moment when crimes against freedom end, on their delineation, as well as on solving other complex problems of qualification for these crimes within the scope of one or several Articles of Chapter 17 of the Criminal Code of the Russian Federation.