The high signal-to-noise ratio (SNR) observation data were obtained by artificial seismic excitation. The high signal-to-noise ratio (SNR) observation data were obtained by the artificial seismic wide-angle reflection/refraction and high-resolution refraction integrated detection system, and the high resolution models of the deep and shallow crustal velocity structures and seismogenic structures in the earthquake area and its adjacent areas were constructed. Through the analysis of this model, the fine velocity structure of the crust and the relationship between deep and shallow structures in the earthquake area are analyzed, and the seismogenic structure model is established to reveal the deep tectonic background and seismogenic environment of the earthquake, which can provide background data for the post-earthquake reconstruction and the site selection of major projects.