Based on much mine concealed water-bearing structure, easy happening of water flooding wells accident situation, Kailuan Fangezhuang Mine complicated hydrogeologic condition was taken as an example, the detection of concealed water-bearing structure was done with comprehensive utilization methods, mainly with daily hydrological observation analysis, high resolution direct current advanced detection method, direct current three pole sounding method, mine transient electromagnetic method such as detection method and drilling validation method, complementing each other, mutual authentication, which improved the accuracy of detection.