A transversely-placed vehicle driving assembly, connected to a vehicle axle half shaft, the vehicle driving assembly comprises a first power source (801,1201,1301), a second power source (815, 1215, 1315) and an automatic transmission, the automatic transmission is provided with a first input shaft (805,1205,1305) therein, the first power source(801,1201,1301) connects to the first input shaft (805,1205,1305), and a differential (811,1211,1311) is provided at a joint of the automatic transmission and the vehicle axle half shaft; and in the automatic transmission, an intermediate shaft (814,1214,1314) is provided parallel to the first input shaft (805,1205,1305); and the second power source connects to a second input shaft (816,1216,1316), the second input shaft is arranged parallel to the first input shaft and the intermediate shaft; wherein, a first gear (802,1202,1302) and a third gear (804,1204,1304) are fixed or rotatably installed on the first input shaft (805,1205,1305), and a second gear (813,1213,1313) and a fourth gear (806,1206,1306) are fixed or rotatably installed on the intermediate shaft (814,1214,1314), wherein the first gear (802,1202,1302) and the second gear (813,1213,1313) are in engaged transmission, and have different installing modes on the shafts, and wherein the third gear (804,1204,1304) and the fourth gear (806,1206,1306) are in engaged transmission, and have different installing modes on the shafts; when the first gear or the third gear is rotatably installed on the first input shaft, a first clutch is provided between the first input shaft (805,1205,1305) and the first gear or the third gear; and when the first gear and the third gear are rotatably installed on the first input shaft, a first clutch is provided between the first input shaft (805,1205,1305) and the first gear and a second clutch is provided between the first input shaft (805,1205,1305) and the third gear and when the second gear or the fourth gear is rotatably installed on the intermediate shaft, a second clutch (807,1307) is provided between the intermediate shaft (814,1214,1314) and the second gear or the fourth gear; and when the second gear and the fourth gear are rotatably installed on the intermediate shaft, a first clutch is provided between the intermediate shaft (814,1214,1314) and the second gear and a second clutch is provided between the intermediate shaft (814,1214,1314) and the second gear and the fourth gear; and a fifth gear (808,1208,1308) is fixed on the intermediate shaft (814,1214,1314), and a sixth gear (809,1209,1309) is fixed on the differential, wherein the fifth gear (808,1208,1308) and the sixth gear (809,1209,1309) are in engaged transmission, the second input shaft is provided thereon with a seventh gear (817, 1217, 1317), and the second power source is an electrical motor, characterized in that, the seventh gear engages with the second gear, or the fourth gear, or the fifth gear, when the seventh gear engages with the second gear or the fourth gear, the second gear or the fourth gear engaging with the seventh gear is fixed on the intermediate shaft. in the automatic transmission, an intermediate shaft (814,1214,1314) is provided parallel to the first input shaft (805,1205,1305); and the second power source connects to a second input shaft (816,1216,1316), the second input shaft is arranged parallel to the first input shaft and the intermediate shaft; wherein, a first gear (802,1202,1302) and a third gear (804,1204,1304) are fixed or rotatably installed on the first input shaft (805,1205,1305), and a second gear (813,1213,1313) and a fourth gear (806,1206,1306) are fixed or rotatably installed on the intermediate shaft (814,1214,1314), wherein the first gear (802,1202,1302) and the second gear (813,1213,1313) are in engaged transmission, and have different installing modes on the shafts, and wherein the third gear (804,1204,1304) and the fourth gear (806,1206,1306) are in engaged transmission, and have different installing modes on the shafts; when the first gear or the third gear is rotatably installed on the first input shaft, a first clutch is provided between the first input shaft (805,1205,1305) and the first gear or the third gear; and when the first gear and the third gear are rotatably installed on the first input shaft, a first clutch is provided between the first input shaft (805,1205,1305) and the first gear and a second clutch is provided between the first input shaft (805,1205,1305) and the third gear and when the second gear or the fourth gear is rotatably installed on the intermediate shaft, a second clutch (807,1307) is provided between the intermediate shaft (814,1214,1314) and the second gear or the fourth gear; and when the second gear and the fourth gear are rotatably installed on the intermediate shaft, a first clutch is provided between the intermediate shaft (814,1214,1314) and the second gear and a second clutch is provided between the intermediate shaft (814,1214,1314) and the second gear and the fourth gear; and a fifth gear (808,1208,1308) is fixed on the intermediate shaft (814,1214,1314), and a sixth gear (809,1209,1309) is fixed on the differential, wherein the fifth gear (808,1208,1308) and the sixth gear (809,1209,1309) are in engaged transmission, the second input shaft is provided thereon with a seventh gear (817, 1217, 1317), and the second power source is an electrical motor, characterized in that, the seventh gear engages with the second gear, or the fourth gear, or the fifth gear, when the seventh gear engages with the second gear or the fourth gear, the second gear or the fourth gear engaging with the seventh gear is fixed on the intermediate shaft.