This article provides an in-depth analysis of the methodological essence of the axiological approach in pedagogical research, together with the mechanism through which an individual interiorizes ecological values. The purpose of the study is to synthesize the philosophical and psychological foundations of value theory — including its treatment of value as a subject-object relation — and to identify the stages through which ecological values move from an external socio-cultural form into internal personal content. The study employed methods of systemic analysis, historical-logical analysis, comparative-theoretical analysis, and content analysis. As a result, the hierarchical structure of values and their functions in personal consciousness were clarified, and a four-stage theoretical model of the interiorization of ecological values — cognitiveinformational, emotional-evaluative, activity-practical, and personal-reflective — was developed together with the inner mechanism of each stage. The findings have practical significance for the scientifically grounded design of the ecological education process in educational institutions.