Abstract: After mankind shifts its behavior platform from reality space to information space, culture and custom should be suited to this space, so is the behavior regulation To research the characteristic of information space is vital to establish virtual regulation To study the relationship from the view of difference between reality and virtual space is fundamental to information space regulation The three key characteristics of information space are the legal subject’s decentralization, legal relationship’s virtualization, information property right’s classification and diversity In conformity with the three characteristics, when establishing legal system, we should concern with the interest balance of a diversity of subjects, improving information responsibility investigate system, creating the system of information universal service

Key words: informationspace, informationresponsibility, virtuallegalnexus, informationuniversalservice