An electric motor for a vehicle, wherein the electric motor comprises a stator, cooling oil rings, and an oil intake pipeline, wherein the cooling oil rings are fixedly connected to the stator; wherein each of the cooling oil rings is a hollow column with a circular ring-shaped cross-section taken perpendicular to an axial direction of the stator; wherein the stator comprises a plurality of first laminations, each of the first laminations is configured into the shape of a circular ring and is provided with oil passage holes, the plurality of first laminations are stacked in an axial direction of the stator, the plurality of stacked first laminations jointly enclose a cylindrical structure, the oil passage holes in the plurality of first laminations are in communication with each other to form cooling oil passages, and the oil intake pipeline is in communication with the cooling oil passages; wherein the cooling oil passages are arranged to enable the cooling oil to flow in an axial direction of the stator, and also enable the cooling oil to flow between a plurality of cooling oil passages in a circumferential direction of the stator; wherein the cooling oil rings are respectively arranged at two ends of the stator, and the oil intake pipeline, the cooling oil passages and the hollow columns are sequentially in communication with one another, so as to enable the cooling oil to flow between the oil intake pipeline, the cooling oil passages, and the hollow columns; and wherein a side wall of the hollow column in the axial direction of the hollow column is provided with a cooling oil inlet, an inner side wall of the hollow column in the radial direction of the stator is further provided with a plurality of oil spray holes and an oil guide rib, and the oil guide rib is configured to be able to guide an oil sprayed from the oil spray holes to one side of the hollow column, so as to enable the cooling oil sprayed from the oil spray holes to fully cool an end portion of the electric motor. wherein each of the cooling oil rings is a hollow column with a circular ring-shaped cross-section taken perpendicular to an axial direction of the stator; wherein the stator comprises a plurality of first laminations, each of the first laminations is configured into the shape of a circular ring and is provided with oil passage holes, the plurality of first laminations are stacked in an axial direction of the stator, the plurality of stacked first laminations jointly enclose a cylindrical structure, the oil passage holes in the plurality of first laminations are in communication with each other to form cooling oil passages, and the oil intake pipeline is in communication with the cooling oil passages; wherein the cooling oil passages are arranged to enable the cooling oil to flow in an axial direction of the stator, and also enable the cooling oil to flow between a plurality of cooling oil passages in a circumferential direction of the stator; wherein the cooling oil rings are respectively arranged at two ends of the stator, and the oil intake pipeline, the cooling oil passages and the hollow columns are sequentially in communication with one another, so as to enable the cooling oil to flow between the oil intake pipeline, the cooling oil passages, and the hollow columns; and wherein a side wall of the hollow column in the axial direction of the hollow column is provided with a cooling oil inlet, an inner side wall of the hollow column in the radial direction of the stator is further provided with a plurality of oil spray holes and an oil guide rib, and the oil guide rib is configured to be able to guide an oil sprayed from the oil spray holes to one side of the hollow column, so as to enable the cooling oil sprayed from the oil spray holes to fully cool an end portion of the electric motor.