5G-Advanced (5G-A), featuring ten-fold data rates, millisecond latency and integrated sensing-and-communication capabilities, provides a new-generation technical foundation for low-altitude coal-mine scenarios. Systematically reviewing its core enhancements—higher peak data rates, increased connection density, improved latency and reliability, ISAC and native intelligence—the paper evaluates the technical feasibility and application effectiveness of UAV inspection, haul-truck supervision and emergency communications; results show a significant uplift in inspection efficiency and second-level safety alarms. The study also clarifies the positive impacts of 5G-A low-altitude intelligent networks on coal-industry safety, efficiency and low-carbon goals, and outlines an integrated air-ground-network ecosystem.