Abstract: Aiming at the existing problems of the railway freight competitive fixed prices strategy, this paper combined with the implementation of the railway carrier liquidation mode, analyzed the carrier enterprise deducting the fees payable to other railway enterprises participating in the transportation, and obtained the calculation method of the transportation surplus. By collecting the transportation price information of other competitive modes in time, processing and analyzing the price information, the transportation price information database was constructed. The carrier enterprise could formulate the strategy of freight rate floating up or down according to the surplus situation by introducing the highway freight rate as a comparison, directly retrieve the transportation price information database, simplify the process of formulating competitive fixed prices strategy, quickly formulate the competitive fixed prices strategy of railway freight, and timely respond to market changes, so as to enhance the competitiveness of railway freight.