Abstract: In response to the issue of potential hydraulic connection between the water-conducting fracture zone and the overlying aquifer after mining in a large mining height face in Shanxi, this study employed the parallel electrical network method to measure the heights of the “two zones” after mining.The working principle of the parallel electrical network method was explained, and two measurement boreholes were arranged based on the actual geological conditions of the mine.A comprehensive analysis of the spatiotemporal distribution of rock resistivity was conducted.The development law of the “two zones” of coal seam roof in the mining process is revealed.Based on the resistivity distribution and actual stratigraphy of the roof rock, it was determined that the height of the caving zone in the mine face is 21 meters, located at the boundary between the sandstone and mudstone layers of the roof.The height of the water-conducting fracture zone is 63 meters, located within the mudstone layer of the roof.The caving height/mining thickness ratio is 3.75,and the fracture height/mining thickness ratio is 11.25.The results show that the network parallel electric method has achieved good application results in the monitoring of the “two zones” of the roof of the fully mechanized mining face.