Abstract: In response to the lack of intuitive and effective methods for predicting potential crossing hazards in transmission line engineering, which leads to civil disputes during the construction phase and affects project progress, the designed GIM is converted into point cloud data. At the same time, airborne LiDAR scanning is used to obtain terrain and landform point clouds on the line corridor, and the two are accurately integrated. Then, batch simulation detection and analysis of channel safety hazards are carried out to form an analysis report. The application of this technology in a 110 kV new transmission line project of Qingyuan power supply bureau shows that it can quantitatively simulate and analyze the safety hazards of the transmission line during the design stage, and timely carry out hazard control or route optimization to ensure the timely and high-quality completion of the acceptance and power transmission tasks of the transmission line project. It has important application and promotion value.