In order to effectively improve the single-entry level during roadway excavation and reduce the time impact of advanced drilling holes construction on the continuous excavation of roadway, the technical principle and equipment system of seismic advanced detection technology with excavation were analyzed in detail. The advantages and disadvantages of F-K domain reflection wave extraction method and τ-p domain wave filtering reflection wave extraction method were compared, and the optimization method of joint extraction was proposed by combining the advantages of the two methods. Combined with the application of KJ2207 mine seismic electrical monitoring system in the air intake roadway of No.5135 Face in Jiaojiazhai Coal Mine, it was accurately analyzed and predicted that there was a strong reflection area of abnormal signal in front of the roadway at the position of 860-870 m. It was inferred that there was a fault in this area, which was also exposed and verified during the actual excavation period, indicating that the detection conclusion had certain credibility and reliable accuracy.