The article attempts to reconstruct the elements of theology, anthropology, and ethic in the thought of Hildegard of Bingen on the basis of Hildegard’s visionary trilogy. Hildegard of Bingen was one of the dominating characters in the spiritual and social life of the 12th century. Her visionary images and symbols cover the entire world of her times and offer unusual insights into her conception of man and the world around him. The author concentrates on the cosmological and anthropological strands of her thought, trying to find a key to her symbolism. In Hildegard’s thought the sacramental character of the universe is discovered and celebrated.