The study of faults is very important in that nonferrous metal deposits are almost always related to faults. At present, the study of faults is confined to observing and analyzing the earth’s surface, with very insufficient attention paid to the subsurface study. The authors hold that the EH4 section is a good section for studying faults in the Damaidi ore district. The inversion results of EH4 can show the variation of the faults in the subsurface, especially the width, depth, strata and lithology of the faults. Based on these characteristics, we can make an estimation of the faults, which helps explore concealed ore deposits.