The vehicular planetary gear train of the automatic transmission is initiated. The planetary gear train transmits the power of the engine to receive the input shaft of the automatic transmission according to an embodiment of the present invention; Outputting a power shift output shaft; A first sun gear, a first planetary gear set holding a planetary carrier, a first ring gear; The second sun gear, a second planetary gear set that holds the planetary carrier, the second ring gear; A third sun gear, a third planetary gear set 3 to hold the planet carrier, a third ring gear; The first rotating shaft and the fourth sun gear, a fourth and a fourth planetary gear set holding a planetary carrier, a fourth ring gear, the first sun gear, a second ring gear, comprising a third planetary carrier; A second rotary shaft which is made, including the first planetary carrier and a fourth ring gear, connected selectively with the transmission housing; The third axis of rotation that is made, including the first ring gear, selectively connected to the transmission housing; It made, including the second sun gear, the fourth rotary shaft is selectively coupled to the second rotation axis and the third axis of rotation; The second is made, including the planet carrier and the third ring gear, the fifth rotating shaft that is directly connected with the input shaft; A sixth axis of rotation comprises a third sun gear; A seventh rotation axis that is made including a fourth sun gear, selectively connected to the transmission housing; The fourth is made, including the planet carrier, the eighth rotation axis of the sixth rotary shaft and selectively fixed and at the same time directly connected to the output shaft; It includes six friction elements to be configured in the portion that is selectively connected to the rotating shaft and the rotating shaft and the rotating shaft and the transmission housing.