Transmedia Storytelling, as a media practice, has become difficult to acquire new knowledge through textual research. However, the study of media materiality provides a new thinking framework and core topic for the study of transmedia storytelling in terms of textual action, social action, and perceptual action. On this basis, this article argues that transmedia storytelling is not just a content output model that meets specific needs, but a cultural production paradigm that is suitable for technological and social transformation. It should have a more complete and open knowledge system, while possessing profound social implications.