The invention provides a railway engineering training system based on virtual reality. The railway engineering training system based on virtual reality comprises a foundation layer, a data layer, a technical support layer, a functional layer and an application layer, wherein the foundation layer is used for providing a network environment based on virtual reality and hardware equipment; the data layer is used for providing data required for running of the railway engineering training system; the technical support layer is used for providing technical support for the functional layer; the functional layer is used for constructing multiple functional modules of the railway engineering training system under the assistance of the technical support layer; the application layer is used for conducting virtual training based on the virtual reality technology and all the functional modules. By building and using the railway engineering training system, normalized development of organizing and training of railway system engineering operation can be guaranteed truly, the professional level and emergency treatment ability of railway engineering cadres and staff can be effectively improved, and safe operation of railway transportation and production can be ensured.