Chengdu dachuan lane, the west bank of jinjiang river, the junction of dazu river and nanhe river, a historical street connecting jinjiang qingling wharf and the ruins of chengdu east gate city wall, with a total length of more than 140 meters. Before the reconstruction, dachuan lane is a noisy and busy "express street". Due to its special history and geographical location, in the new round of urban renewal, dachuan lane is endowed with a new location and function.