This paper discusses the integrated application of computer vision (CV) and computer vision (CV) technology in the virtual reality (VR) environment, aiming to enhance the sense of reality, interaction and intelligence of VR experience through the integration of deep technology. The research focuses on how to use CV to capture and understand users’ non-verbal behavior, combined with NLP to analyze user language instructions, to achieve more natural and efficient user-environment interaction, so as to promote the innovative application of VR technology in education, medical care, entertainment and other fields.