Abstract: At present, Suzhou has initially built the Network Control Center (NCC) to realize the line network operation functionalities including production supervision and coordination, information collection and release, emergency command and external liaison and coordination. The operation mode of Suzhou Rail Transit NCC emergency command center after optimization is introduced from aspects of NCC emergency command center positioning, main functions, relationship with relevant units, work interface and emergency disposal related business processes. NCC should become the hub for emergency dispatching and external coordination in emergency state, carrying out uniformed coordination and command of internet train operation organization, and mobilizing various resources for emergency event rapid disposal. If necessary, liaison with relevant departments of the city can be involved.