From Dasein in the early period,the work of art in the middle period to listen to language in the later period,these constitute Heidegger’s thought way that is getting to thingness itself,approaching continuously.

In this paper,basing on Kant’s original,Kant’s concept of "thing-in-itself" was analyzed.

Examining the concept of "thing-in-itself" by Kant,we may see that Kant s double implications of "thing-in-itself" are "unknowable" and "thinkable",and we may distinguish the relationship between "thing-in-itself" and phenomena.

First,studying the characteristic of tourism souvenir and finding out the general principle of tourism souvenir;then,doing classified study in deference tourism destination;finally,giving some strategic suggestion to the reasonable work of tourism souvenir development in deference tourism destination.

Based upon Marx s and Heidegger s critique of the subjectivist philosophy and aesthetics of western metaphysics,as well as their selfhoodness exploration on original generation of Being,this article discusses the possibility of the construction of post-subjectivist aesthetics.