Abstract:A theory of dynamic FEM and a numerical method for the lining structure of tunnels are put forward. Based on in-situ measurement results of vibration loads for the train running on the Zhuting tunnel of Beijing—Guangzhou Line,the dynamic response characteristics for three types of tunnels with different cross-sections are investigated. And then,the distributing characteristics of the vertical displacements and internal forces are obtained for the lining structures of three types of tunnels. The research results have important denotation not only for the dynamic stability evaluation of tunnel structures for speeded railway but also for the tunnel design and construction of railway.