Rail Guided Flat Vehicle,it makes the AC electricity power is transformed into AC 36v two-phas and are respectively connected to the two rails. Then the flat vehicle conduct the AC 36v on rail into the electrical appliance box at the bottom of the vehicles. And then the AC 36v is transformed into DC 36v, control the DC motor through the DC control system to make the rail guided flat vehicle start, stop, go forward and backward and adjust the speed and so on.