In 《Building·Home·Thinking》, Heidegger sees the essence of building as dwelling, and dwelling is the unity of “one of the dead”, “sky”, “land” and “God”. While the building is to protect the united to make them preserved in its essence. Heidegger points out the fact that architectural technology alienation and the “rootless” status, which is embedded in forgetting “the significance of the existence”. However, the architectural thinking of starting point and the theme is “one of the poetic dwelling”, which means, as the starting point of the “mortals” locking up to degree of communication. Even, its “poetic dwelling” and “others” coexistence of conflict.If built symbolizes human existence , then , it is in the direction of poetic dwelling, at the same time, forgetting building activity occurred in the city-the historical background, so the “Earth” as the historical background in the search for meaning in the forgotten, thereby, the pursuit of the meaning of building still fundamentally is broken.