The public facility safety system, with its internationally leading "laser interference technology" and "AI noise filtering technology", possesses powerful detection capabilities and precise identification capabilities. Install the system at intervals of 60 meters along the interior of the tunnel. When large-scale construction machinery is engaged in pile driving and excavation operations on the ground, abnormal signals can be generated. The Tunnel Smart Listening Monitoring system, through its built-in noise reduction, positioning and intelligent recognition algorithms, identifies abnormal construction and triggers an alarm.