A foldable electric vehicle, comprising: a vehicle body; a front body, pivotally arranged on a front of said vehicle body; a vehicle frame, arranged on a rear of said vehicle body; a power unit, adapted for providing power to said foldable electric vehicle; a saddle, arranged on said vehicle frame; a plurality of wheels, wherein said wheels are respectively arranged at said vehicle body and said front body; two handles, respectively arranged on said front body; and a driving motor, electronically connected with said power unit and connected with at least a wheel to drive said wheel to rotate and drive said foldable electric vehicle to move, wherein said vehicle frame comprises a back frame pivotally arranged on said rear of said vehicle body, wherein said vehicle body forms a receiving groove, wherein said foldable electric vehicle has an unfolded state and a folded state, wherein when said foldable electric vehicle is in said unfolded state, said back frame of said vehicle frame is kept unfolded and upright to support and hold said saddle at a proper position, and said front body is unfolded and kept apart from said vehicle body; when said foldable electric vehicle is in said folded state, said back frame of said vehicle frame is capable of being folded and said folded back frame is capable of being received in said receiving groove of said vehicle body, and said front body is capable of being folded at said back frame that is received in said receiving groove; characterized in that said back frame comprises a lower end, an upper end extended upwardly from said lower end and a connecting pivot, wherein said lower end of said back frame is pivotally arranged on said upper end via said connecting pivot, wherein said connecting pivot is arranged toward said rear of said vehicle body, wherein said vehicle frame further comprises a supporting element, wherein an end of said supporting element is pivotally arranged on said upper end of said back frame, and another end of said supporting element is pivotally arranged on said rear of said vehicle body, so that when said foldable electric vehicle is in said unfolded state, said back frame of said vehicle frame, said rear of said vehicle body and said supporting element form a triangular structure, and the lower end of the back frame is arranged in the receiving groove of the vehicle body, so that when the back frame is folded and received in the receiving groove of the vehicle body, the supporting element will be folded between the lower end and the upper end of the back frame. a vehicle body; a front body, pivotally arranged on a front of said vehicle body; a vehicle frame, arranged on a rear of said vehicle body; a power unit, adapted for providing power to said foldable electric vehicle; a saddle, arranged on said vehicle frame; a plurality of wheels, wherein said wheels are respectively arranged at said vehicle body and said front body; two handles, respectively arranged on said front body; and a driving motor, electronically connected with said power unit and connected with at least a wheel to drive said wheel to rotate and drive said foldable electric vehicle to move, wherein said vehicle frame comprises a back frame pivotally arranged on said rear of said vehicle body, wherein said vehicle body forms a receiving groove, wherein said foldable electric vehicle has an unfolded state and a folded state, wherein when said foldable electric vehicle is in said unfolded state, said back frame of said vehicle frame is kept unfolded and upright to support and hold said saddle at a proper position, and said front body is unfolded and kept apart from said vehicle body; when said foldable electric vehicle is in said folded state, said back frame of said vehicle frame is capable of being folded and said folded back frame is capable of being received in said receiving groove of said vehicle body, and said front body is capable of being folded at said back frame that is received in said receiving groove; characterized in that said back frame comprises a lower end, an upper end extended upwardly from said lower end and a connecting pivot, wherein said lower end of said back frame is pivotally arranged on said upper end via said connecting pivot, wherein said connecting pivot is arranged toward said rear of said vehicle body, wherein said vehicle frame further comprises a supporting element, wherein an end of said supporting element is pivotally arranged on said upper end of said back frame, and another end of said supporting element is pivotally arranged on said rear of said vehicle body, so that when said foldable electric vehicle is in said unfolded state, said back frame of said vehicle frame, said rear of said vehicle body and said supporting element form a triangular structure, and the lower end of the back frame is arranged in the receiving groove of the vehicle body, so that when the back frame is folded and received in the receiving groove of the vehicle body, the supporting element will be folded between the lower end and the upper end of the back frame.