Abstract: Airborne laser radar measurement can quickly obtain the 3D information of high accuracy,which can be used in 3D city modeling.Construction is the main body of the city,and it has been a hot research topic in the construction of data extraction from airborne LIDAR data.Data extraction from airborne LIDAR data mainly includes the following steps:data preprocessing,building detection,roof reconstruction,boundary extraction,establishment of model and rule.In this paper,the research progress of this field is summarized,and the difficulties and developing direction of data extraction from airborne LIDAR data are described.