Introduction. The society of the 21st century is high-tech and digital, where people’s thoughts are polar and pluralistic. In such conditions, religion, although it has undergone secularization, remains the most important form of worldview. This article analyzes the methodological problems of eclecticization of religious traditions and adaptation of religious beliefs in a post-secular society. Theoretical analysis. Three main problems have been identified. First, the obscurity of religious beliefs as a form of social knowledge.