In response to the current situation and development trends of railway engineering preliminary budget work,in order to further improve the engineering preliminary budget review work of Railway Bureau Group Company,promote the more economical and reasonable development of railway engineering projects,analyze the preliminary budget review mode and existing problems in information technology,combine the characteristics of several railway bureau group company preliminary budget review modes and the development trends of the Ministry of Housing and Urban Rural Development and the power industry engineering cost information system,propose the combination of engineering preliminary budget review and technical review of Railway Bureau Group Company,and build a comprehensive and systematic engineering preliminary budget data system,in order to improve the ability of railway bureau engineering preliminary budget work and ensure high-quality modernization of railway construction.