Luhuatai Fault is one of the important buried tectonics in Yinchuan Basin. Based on the results of shallow seismic exploration, the authors conducted composite drilling section exploration and dating of the samples of borehole. Some useful data of the fault were obtained. This study shows that the activity is different between the north and south segment along Luhuatai Fault. The north segment is a Holocene fault, while the south segment is a late Mid-Pleistocene fault. From north to south along the north segment of Luhuatai Fault, the activity has enhanced, and the faulting is stronger in Late Pleistocene than Holocene.