An attempt is made to systematize Myasishchev’s relations theory, taking into account the lack of de-tailed content analysis of the concept of attitude in modern scientific research. In accordance with the task considered the basic ideas of Myasishchev’s concept, supplemented by modern understanding and new inter-pretations of the author’s text. The article describes the results of the experience of systematization of mean-ingful characteristics of relations: their essential properties, system properties, dynamics of relations, approach-es to the classification of personality types based on the category “relationship”. In conclusion, the value of the methodological approach of the concept of relations and its high potential for psychological analysis are summarized.