Internet has been developing rapidly in China, which made Chinese multi-ethnic culture experience great deconstruction and reconstruction. Meanwhile, it provides sufficient discourse space for those who seldom had a chance to express themselves sufficiently in mass media in the past. Taking Chinese Manchu as an example, this article describes that Chinese minority members are making cultural expressions and performances in cyberspace and realizing the reconstruction and imagination of the traditional community with their conscience from “In Itself” to “For Itself” under the guide of minority elites. On the other hand, the virtual community has become a new public space for Chinese minorities to strive for political, economical and cultural discourse rights and legal interests, and an important power to promote Chinese democratic process.The Chinese concept of “harmonious but different”, which has been a virtue to maintain harmony from time immemorial, should also be a principle of dialogue among different civilizations. Only by this can a common homeland shared by all ethnic groups be cultivated in cyberspace.