Abstract：semiotics is created by human being to understand and change the world, and it is also a design feature of human being.Semiotics is an indispensable part of human thought.German philosopher Ernst Cassirer's theory of semiotics enriched the semiotic theory in the philosophical level, and opened up a new path for anthropology and philosophy from the perspective of semiotics.Cassirer's study realized the transformation of philosophical thinking paradigm and developed philosophy, semiotics, aesthetics and arts to a new perspective.

Keyword：Cassirer;semiotics;the philosophy of symbolic forms;