Due to the continuous development of hardware and software, Virtual Reality (VR) and Augmented Reality (AR) technologies are rapidly maturing and becoming popular in people's lives. However, people do not have much knowledge and understanding of them. In order to enable more people to understand Virtual Reality and Augmented Reality and distinguish between them, this article will provide some basic explanations of VR, AR, and HCI. Through specific cases, the application of VR and AR in urban cultural creative design, education field, business field, game field, tourism and cultural experience, and manufacturing industry will be presented and analyzed. In addition, how they are applied based on Human-Computer Interaction (HCI) principles will be discussed separately. Furthermore, the feasibility of this technology and its impact on the industry were discussed. Finally, the limitations of VR and AR technologies were discussed, and some solutions were proposed. The future development directions of VR and AR technologies were also discussed.
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