Accompanied by the rapid development of low-altitude economy, a new economic model driven by low-altitude activities and dominated by manned and unmanned civil aircraft brings immense development opportunities while also facing unprecedented low-altitude noise pollution issues. Our project aims to address the noise problem of urban low-altitude aircraft using the reconfigurable intelligent acoustic metasurfaces. The project will explore the impact of multi-phase modes of intelligent metasurfaces on their physical properties and acoustic responses, utilizing adaptive wavefield shaping technology to achieve reshaping and focusing of the wavefield via acoustic metasurfaces, further realizing a target silent environment. The main research contents include: (1) Dynamic sound pressure level testing of low-altitude target zones and simulation of spatial distributions of average noise levels. (2) Development of data-driven metasurface optimization and noise suppression strategies based on adaptive guidance and focusing of complex open-space wavefields. This research is expected to provide a feasible pathway for designing reconfigurable intelligent acoustic devices and systems, enabling wavefield reconstruction and intelligent sound isolation in complex low-altitude acoustic environments.