The "Station-Station" intelligent inspection system is mainly composed of intelligent UAV nest or mobile inspection operation vehicle and its supporting vehicle-mounted intelligent components, U880 high-precision autonomous inspection UAV, intelligent inspection air-fleet operation control center, intelligent inspection air-fleet cloud control platform and transmission line intelligent inspection control platform, etc. It can realize autonomous long-distance high-precision flight inspection, UAV off-site takeoff and landing, automatic charging, cloud supervision and intelligent data analysis and processing for any line segment under jurisdiction.