Consumption amount electronic payment system

The invention relates to a consumption amount electronic payment system. The system comprises: a data searching device which is used for searching an appearance image with the highest matching degreefrom all appearance images of all warehouse-in vehicles currently stored in a FLASH memory based on a warehouse-out vehicle pattern, and obtaining warehouse-in time of the warehouse-in vehicle corresponding to the searched appearance pattern; and an instant payment device which is used for determining the parking fee based on the current moment and the garage entering time of the garage entering vehicle corresponding to the searched appearance pattern, and deducting the corresponding parking fee from the nearest mobile terminal through the Bluetooth communication mode. The consumption amount electronic payment system is reliable in data and wide in application. Due to the facts that the parking fee of the ex-garage vehicle is charged based on the vehicle shape, and the corresponding parking fee is deducted from th