You can take the train from Beijing to Chengdu first. By June 217, there are 6 trains from Beijing to Chengdu:

The bus routes from chengdu railway station and chengdu railway station to Shangshanjia in Chengdu are basically:

Bus routes: Metro Line 1 → Metro Line 4 → w23 Road → 758 Road → Dujiangyan Road 12, and the whole journey is about 74. Arrive at North Railway Station

2, take Metro Line 1, after 3 stops, arrive at Luomashi Station

3, walk about 16m, transfer to Metro Line 4

4, take Metro Line 4, after 16 stops, arrive at Fengxihe Station

5, walk about 24m, and arrive at Fengxihe Station

6. Arrive at Huangshi Community Station

8, take Bus No.758, after 3 stops, arrive at Daguan Station

9, walk about 2 meters, arrive at Daguan Town Station

1, take Dujiangyan No.12, after 11 stops, arrive at qingchengshan railway station

11, walk about 2 meters, and arrive at Shangshanjia cuisine.