Abstract: To achieve the pre-estimating and accurate exploration of hidden subsided column, we define integrated detection program including geological pre-estimating, water quality early warning, geophysical prospecting location, and drilling control. Geological pre-estimating is the summary of subside column development laws in the area by analyzing hydrogeological conditions and historical column accidents; water quality early warning is to identify the water source by monitoring and analyzing water quantity, water quality, water temperature and water pressure; geophysical prospecting location means to delineate the abnormal areas by "ground-underground" integrated geophysical exploration technology; drilling control is to control the spacial form and boundary accurately by directional drilling technology. By means of the comprehensive program, we successfully achieve the pre-estimating and advanced accurated exploration of hidden water flowing subsided column inⅡ5₁ main track tunnel in Renlou Mine.