A multiplephase-crossing induction control system with presentation of countdown consists of road gross ditch device and vehicle checkout gear for ground inside crossing, control-message display device, countdown display screen, road traffic signal control device, phase sequence control device, phase operating device and communication device and is characterized in that also consists of time distribution equipment when opening a terminal, forecast device, decision device and calculation interval equipment; the time distribution device manages to set the green-light execution time of every phase when opening a terminal, the forecast device fuzzily forecasts the flow of vehicles passing by the crossing in next cycle according to the actual flow of vehicles detected in current cycle by checkout gear, and the decision device fuzzily decides the green-light release time of every phase in next cycle and the release time can not change any longer in a cycle after decision, the calculation interval equipment calculates the red-light time of every phase and the communication device timely sets the massage to countdown display screen for display.