The article considers the problems of moral choice of the teacher when considering the works of contemporary Russian authors-constructivists the course of history of literature and art, as well as from the destructive tendencies of modern literature by the example of Vladimir Sorokin's story "Nastya". The denial of the intrinsic value of humanistic principles of human behavior, the blurring of the boundaries between good and evil, admiring unmotivated cruelty, reaching dehumanization – all this serves as a powerful tool of the reconceptualization of the public consciousness, in other words, changes in the system of basic notions of people about the norm in human behavior and the deviation from it. The danger of such works for the psychic of the readers.