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. <EOS>