Abstract
In this text presented here, it has been tried to Show the difference between Heidegger’s first and second era understanding of language. In his first era, to manifest Heidegger’s understanding of language, outlines of Being and Time has been discussed and concerned chapter is read carefully. To manifest his understanding of language in second era, the work of On the Way to the Language has been taken as a base. With this comparative study, it has been tried to shown the change that “language” has undergone in Heidegger philosophy.