A planetary gear train of automatic transmission for vehicle according to another exemplary embodiment of the present invention including first planetary gear set including first to third rotation elements, second planetary gear set including fourth to sixth rotation elements, third planetary gear set including seventh to ninth rotation elements, fourth planetary gear set including tenth to twelfth rotation elements, fifth planetary gear set including thirteenth to fifteenth rotation elements, first shaft fixed to the first rotation element and the input shaft, second shaft fixed to the fourteenth rotation element and the output shaft, third shaft fixed to the fifth rotation element, fourth shaft fixed to the sixth and rotation elements element, fifth shaft fixed to the eighth, twelfth, and fifteenth rotation elements, sixth shaft fixed to the eleventh rotation element, and shafts formed by combinations of remaining rotation elements among the first to fifteenth rotation elements that are not connected to the first shaft to the sixth shaft.