The present invention provides a foldable electric vehicle and a foldable vehicle frame thereof, wherein the foldable electric vehicle comprises a front frame adapted for being pivotally arranged on a vehicle body of a cycle, a back frame adapted for being pivotally arranged on a vehicle body of a cycle and an actuating arm arranged between the front frame and the back frame, wherein the actuating arm forms a front end and a rear end, wherein the front frame is pivotally arranged on the front end of the actuating arm, and the back frame is pivotally arranged on the rear end of the actuating arm.