Postmodernism is a revolutionary movement and philosophically charming and intuitive activity which practically started in the middle of the twentieth century, but rooted in human history. It refers to those kinds of thoughts which penetrated in most of our intellectual life such as philosophy, literate, art, and creativity. Since its foundation Postmodernism brought much attention to scholarly argument. This is still more or less under studies, because no one yet comes to conclusion in giving exact definition of postmodernism. Nonetheless, a study such as dialectical and analytical approach made it possible that postmodernisms concept to be different inspiration and constantly changing dispute Postmodernism is a movement which started in the middle of twentieth century and still going on. Its origin is not known exactly, however most of the social and philosophical researchers and critics assumed that its development came after modernism. Jean-Francois Lyotard as first theoretician on postmodernism suggested it is a continually redefined movement. A alongside him Baudrillard, Foucault, Barth, to Derrida supported postmodern theory. Some critics think that postmodern art is a reaction against the reductionism and abstraction of modernism. They feel modern art desired to unearth universals or the fundamentals of art, on the other hand postmodernism look to unseat them, to embrace diversity and contradiction, Postmodern art usually rejects the distinction between low and high forms. It denies rigid genre boundaries and favors eclecticism, the mixing of ideas and forms. It is likely that postmodern art promotes parody, irony, and playfulness, commonly referred to as jouissance by certain of it theorists. In finding the roots of mixed movement such as postmodern theatre is not easy task however, most scholar agree in two origins and tradition: Aristotelian Textual Drama, and Artaudian Sacred Theatre of Nonverbal. Antonin Artaud with his genuine notion in finding magic in ritual drama was given as a theoretical creator of a postmodern theatre. He rejected the idiolects of Meyerhold, the schematic theatre of the expressionists and the epic theatre of Brecht, because he thought, that they were simply reactions against the prevailing text. In postmodern performance change is very important; from one performance to the next nothing would be the same, everything deconstructs. The play will not be repeated as taught by school of modernism like Lee Strasberg, Stanislawiski or Grotowsky. Each event of postmodern theatre in stage like OOB, Theatre is connotation to create a new things and information as audience wishes. There are normally no narrated stories, no psychological characters with readily recognizable personalities. In fact Artauds avant-garde thought created movement which after world war two turn out to be postmodern theatre. In his view concept of modern theatre twisted from pre-classic period, and its theatricality like religious, mystical and ritualistic tradition, instead Artaud created a Theatre of Cruelty a kind of performance that would be lie like purgative and cathartic. The focus of this paper is to find the root, meaning, rise, development, and philosophical heritage of the idea of postmodernism in theatre and how Artauds thinking of ritual and scared theatre of nonverbal shaped Postmodernism in theatre.