The historical origins of conceptualization of “justice” phenomenon as an objective feature of social system from the point of view of its atittudes towards personality are determined. Justice is considered as one of the most important social values, which is a criterion of interaction evaluating and plays an essential role in a wide variety of relationships – from personal to social and political ones. It is noted that the content of idea about justice, namely, certain ideas that exist in public consciousness, are historically and culturally determined. Dynamic and so relative nature of ideas about justice is substantiated. The functions of representations about justice are singled out: evaluation, control, regulation of behavior, saving of the social group integrity, influence on the emotional state and processes of social cognition, as well as principles: balance; adhere to the norms and agreements, equality, arbitrator, subjectivity. It was represented the data of the empirical research, in which the daily understanding of the modern youth about justice-injustice is clarified, and the contexts of useing the concept of "justice" are determined. The evaluation of events from the point of view of justice and ideas about possible strategies for achieving or restoring justice in various spheres of youth activity is analyzed.