Abstract: In order to carry out more scientific and rational mine water prevention and control work in Yingpanhao Mine Field in northern Ordos, the intrinsic relationship between sedimentary facies and sand body distribution and water abundance law in the study area was discovered. Based on the introduction of INPEFA technology, through analysis of core and well logging data, the study area Zhiluo formation was reclassified into a long-term cycle, three medium-term cycles, and six short-term cycles. it is believed that it mainly experienced the evolution of the sedimentary system of the braided river-braided river delta-meandering river, identified sedimentary microfacies such as rivers, channel bar, side beaches, natural dikes, floodplains, subaqueous distributary channels, subaqueous distributary channels, and sand dams. It is believed that the sand body formed by the sedimentary microfacies of the braided river channel developed in the lower part of Zhiluo formation is the main aquifer; the underwater distributary channel sand body in the middle section of Zhiluo Formation and the meandering river channel sand body in the upper section also provide a certain space for the storage of groundwater. In addition, sedimentary microfacies such as channel bar and estuary dam also have good water storage capacity in the longitudinal direction.