Abstract: The flexible train formation brings limited flexible capacity for high-speed railway trains. The optimization of ticketing control of flexible capacity matches supply and demand more efficiently than that of fixed capacity. Based on the service network formed by multiple trains and multiple stops on the high-speed rail lines， tickets were set to multiple class fares according to revenue management. The preference order simulated the passengers’ choice behavior， and the ticketing time window controlled the pre-sale process. The joint optimization model of the formation scheme and the ticket closing time was established to maximize the total profit. Ticket sorting was designed according to ticketing needs， the model was transformed into a linear programming model， and it was solved quickly by CPLEX to obtain the optimal train formation and ticketing control strategy. The experimental results show that under the unsaturated demand market， the control strategy of the ticketing time window under flexible formation is more profitable than that under the fixed formation. The higher passengers’ arrival rate and transfer purchasing probability， the more units the train contains in the best formation.

Key words: railway transportation; revenue management; preference order choice behavior; flexible train formation; ticket closing control