With the acceleration of urbanization, the scale of urban population continues to increase, which brings great pressure to the operation and management of urban rail transit, especially the large passenger flow during holidays will affect the normal operation of the station. Taking Chengdu East Railway Station National Day passenger flow as an example, this paper uses AnyLogic to model, analyzes the causes of congestion and puts forward corresponding optimization measures, and then simulates the optimized passenger transport organization to verify the feasibility of the scheme.