Domestic for large passenger flow, according to the reasons for large passenger flow, divided into predictability of large passenger flow and unpredictability of large passenger flow. Predictability is mainly due to bad weather, holidays, large-scale activities and morning and evening commutes of sudden passenger flow. Unforeseeable large passenger flow is due to a variety of sudden events caused by a sharp increase in passenger flow, unforeseeable, but also difficult to prevent. Sudden large passenger flow has a certain suddenness, urgency, flexibility. The predictive flow of large passengers is predictive and comprehensive.Some studies at home and abroad also have a more comprehensive analysis and research on passenger flow. Jiang Man's research based on the dynamic simulation of passenger flow is simulated and studied on the specific situation of passenger flow, so as to make measures to improve the station's adaptability and solve the problem of the evacuation of large passenger flow.