This study focusess on the shield construction of Beijing subway line 8 under typical working conditions，using the field monitoring system at the shield construction work face，to obtain the amplitude and frequency characteristics of the vibration source.Based on these characteristics，we conducted a sensitivity analysis of the factors influencing the vibration source. We first used the grey relation entropy method，and then performed multiple regression analysis on the vibration induced by the metro shield construction.The research results are as follows：（1） we propose that the main controlling factor of the shield construction vibration source-the stratum condition and its quantization characteristic parameter-is the weighted dynamic elastic modulus of the tunnel face stratum，and the main construction parameters influencing the vibration are the cutter head torque and the gross propulsion；（2）we establish a regression model of the shield construction vibration source which shows remarkable correlations.These research results may be used as a basis for analysis，forecast，and construction with respect to controlling of the environmental vibration response caused by shield construction，which fills a void in this area of research.