Dair-v2x, the world's first data set of vehicle road cooperative automatic driving based on real scenes, was released on the 24th. The data set is jointly released by the Intelligent Industry Research Institute (air) of Tsinghua University, Beijing high-level automatic driving demonstration zone, Beijing Car Network Technology Development Co., Ltd., baidu Apollo and Beijing Zhiyuan Artificial Intelligence Research Institute. It is the first time to realize the innovation of 2D and 3D annotation methods from the joint perspective of vehicle end and road end in the same time and space, serve scientific research, industry and government institutions, effectively cooperate with all parties to carry out academic research and industrial implementation of vehicle road coordination, and promote the coordinated development of vehicles and roads in China.