Abstract: The paper described in detail the new generation of railway freight transport liquidation system oriented tocarrier liquidation model from the aspects of business requirements, function design and key technologies, introducedthe process of intellectualized collection of raw data, information audit and large-scale data parallel processing forfreight carrier system liquidation. Through practical application, more than ten million invoices have been liquidatedaccumulatively, the carrier liquidation of railway freight transportation system was realized, and data support forsupporting the reform of freight transportation system and financial system was provided.