VR/AR is a key field of the new generation of information and communication technology. With the help of technologies such as near-eye display, sensory interaction, rendering processing, network transmission, and content production, an immersive experience that combines virtual reality and virtual reality can be built. Among them, precision optics is one of the key supporting technologies for VR/AR applications. At present, the technology and application of VR/AR are in the early stage of development, with the characteristics of great industrial potential, large technological span, and wide application space, and the future market prospect is very broad.