The high efficiency and high precision HDMAP construction capability is realized, which can automatically extract the feature information of the surrounding environment and automatically build multi-source and multi-dimensional HDMAP, so that the intelligent terminal can accurately obtain the 3D information of the surrounding world;The whole scene space calculation of the map turns the whole real world into a panel of information display, and various real-time information is superimposed and displayed in your current real environment, so as to realize the seamless integration of the real world and the digital world;Map strong environment understanding function, integration of deep learning technology and geographical location information, greatly improve the ability of mobile phones to accurately identify physical environment and objects.