This article contains information about the target object and scientific works devoted to forensic problems and issues relating to cellular communication. It explores the content of the private forensic doctrines, their place in the theory of Criminology. The concepts of individual private forensics doctrines are considered. The author provides her own definition of a forensics doctrine on cellular communication tools. The author studies the object and subject of private forensics doctrine as a part of general forensics doctrine. The article provides an analysis of the content of forensic doctrines on vehicles, skills and human habits, on investigation of a crime, knowledgeable persons, on the use of computerized information and processing tools. The author proposes the definition of the object and subject of forensic doctrine on cellular communication tools. Based on the analysis of systems of private forensic doctrine, the author developed a system of forensic doctrine on cellular communication tools, consisting of common and special parts, each of which contains certain elements.