To ensure the safe takeoff and landing of aircraft and accurately monitor the visibility distribution of airports on a large scale, the error analysis methodwas adopted, the light detection and ranging(LiDAR) observation data was compared with the manual prevailing visibility data and the weighted visibility data calculated by the self-viewing system of Shenzhen Baoan International Airport from 2022-01 to 2023-06. The accuracy and reliability of prevailing visibility measured by visibility LiDAR were preliminarily verified. The results show that the average relative deviations between LiDAR data and manual data and self-viewing system observation data are -5.30% and -5.45%, respectively. LiDAR is more sensitive to early changes in visibility over a wide range. When rainfall and the prevailing visibility is less than 1500 m, the error of the observation results of LiDAR is large, and manual observation is required. When the prevailing visibility is greater than 1500 m, LiDAR can replace the manual output of the prevailing visibility data. This study provides a basis and reference for airport business operation based on the prevailing visibility measurement of visibility LiDAR.