Based on relevant existing research at home and abroad, this paper establishes a new object of study, having pioneering exploration and research to the basic theory of media city, and will propose an open research framework and a new concept system. It is the first time to bring city into the scope of media research, and the concept of media city is put forward, that is, "city is media", and the city appears as an intermediary. And from the perspective of interactivity, study and discuss interactive art related to "interactive" and its important links with urban design, urban media space research and audience research. The theory of media analysis and urban design interdisciplinary are applying to carry on the theoretical analysis, and it researches the city media characteristic as the basic theory. In theory, it may create a new paradigm of new media city design and research in our country. This paper discusses how the media city space adapts to public new life-work communication way and new-style aesthetic way in the information society.
Through analyzing the case of urban spatial interaction design, this paper sums up the inner and outer characteristics of urban media spatial interaction from the point of design, technique, connotation and public feedback, as well as the design ideas of urban space. Interactive space to create the technical characteristics of multi-use multimedia technology, multimedia technology, "integration" and "interactive" is its main feature. Public interaction in urban space often need to use a virtual intermediary to complete.
The study of spatial interaction is helpful for understanding the principle of interactive space. The aesthetic mode of "subject - medium - subject" has triggered a new interactive space with various media as " medium ".