Abstract: This article presents Gauss ray bundle's research and application to engineering geophysics.Firstly introduce the basic theory of Gauss ray bundle,secondly according to engineering geophysical feature,do some experiments and analyze the impact of frequency on earthquake profile and attain the optimum frequency that can resolute laminar layer.After having calculated and testified some shallow models,we apply this method to three engineering geophysics practical data simulation and get the better effects.