The invention provides a traffic organization aid decision-making system for an expressway network in an emergency, which can provide accurate data for a decision maker quickly and scientifically for the decision maker to make decisions, so that scientific processing, quick processing, resource utilization maximum processing and loss minimum processing can be carried out on the emergency. The system comprises a system management module, a map operation management module, an emergency resource searching module, an event influence analysis module, a coping capacity evaluation module, a dynamic traffic organization module and a data application management module, wherein the system management module is a platform of a user login system, through which, users can dispatch the emergency resource searching module when dispatching aid resources, can dispatch the event influence analysis module when determining the requirement of emergency treatment, can dispatch the coping capacity evaluation module when evaluating the emergency event coping capacity, and can dispatch the data application management module when managing, maintaining and updating information; and in the dispatching processes, direct-viewing operations can be carried out through the map operation management module.