The"5G+MR Mixed Reality"technology combines the advantages of VR and AR.It superimposes the virtual world and the real world on each other through mixed reality(MR)to achieve the borderless integration of both.By leveraging the high speed and low latency characteristics of 5G network,this technology breaks the bottleneck of network speed,enabling real-time information interaction and integration to enhance the user's sense of immersion.In view of the shortcomings of traditional railway vehicle inspection,such as non-intuitive inspection results and information delay,a standardized,digitalized and intelligent rail transit inspection system based on"5G+MR Mixed Reality"technology has been developed.This system meets the technological requirements of intelligent inspection in the context of modern developments.