Virtual Reality of Complete Immersion (VRCI) is the ultimate form of VR, which means that all human beings can immerse in it permanently and carry out any activities that we accomplish in physical ...world or meet any need to be met for living. VRCI is now a theoretical assumption, but the technologies it based on are seamless continuous with our existing technologies. VRCI can be regarded as a special CPHS, meanwhile very different from a typical one, particularity in VR space compared with physical space, cyber space and social space. Compared with the design idea of existing CPS, CPHS or CPSS, VRCI provides human beings a totally edible living space which is separated from the physical space, and even will change the form of human civilization in the future.