The paper discusses the different aspects and varieties of virtual reality.Digital technology affects subjective reality by changing what individuals experience and what they make of what they observe. Otherwise, reality is an interactive construct. Physical reality is built by the consensus of those actively concerned in defining and understanding particular classes of things. Social reality is built by the interaction of people living within a physical reality that they exploit and change. Digital technology sits behind both science and technology. After all, language is the digital technology behind human social development, and the digital machinery we now use so widely has a profound effect on both social and physical reality. The preceptual reality and conceptual reality were discussed in the paper. Also discussed is the aspect of digital technology effect on climate change.