Abstract: Illegal mining around large state-owned mines badly affect the mining orders and production safety, resulting in great risk.Taking the space-time orientation technology of the microseism monitor as a theoretical basis, the real-time monitoring of mining disorders was realized by application of the second development function of microseism monitoring system, and the accurate positioning of illegal mining are made.It can guide law enforcement officials to promptly fight and remove the illegal mining, which provides an effective technical means for mineral resources and mine safety of our country.

Key words: Seismic monitoring, Illegal mining, Time-space orientation, Function development