Rudolf Steiner, who draws attention with his multi-faceted works, is known for his important works in the fields of medicine, education, art and agriculture, as well as esotericism and occultism in particular. In this article, it is explicated to the intellectual infrastructure, the effect of the anthroposophy founded by Steiner and deals with the Spiritual Science, which Steiner created in a unique way. Rudolf Steiner has established an eclectic system by dissolving different schools such as Goethe's doctrine of nature, Rosicrucianism, Kabbalah, Hinduism, Gnostic and Mystic Christianity in his system. The universality is dominant in Steiner's work. His inclusive ideas for all humanity suffered the reaction of the Nazis in his time. Steiner drew attention to the potential of discovering the senses of people by making a distinction between the sensory and the sensual world. The drive and power of discovering the spiritual world in humans has a significant share in his work. Steiner, who says he has seen and experienced the supernatural world personally, is intended to have more knowledge of other people about the supernatural world. The literature review was chosen as a method. Information gathered from different sources may provide a better understanding of Steiner's work.