The progress of the mankind is accompanied by the advancement of technologies and civilizations, and the history of the mankind is the history of civilization advancement. Looking back into the past is for looking forwarding to the future. It is only by fully understanding the development trend of the future can we make a difference accordingly. With a review of the development histories of the mankind and the buildings, this article analyzes the forms and features of future buildings, studies the influences and impacts of the new Internet technologies on buildings in this information era, and explores the technical roadmap for the development of smart buildings.