two methods:

1. Walk from the mosque to Guojiatan Station (39 meters), take bus No.46 (or 15, 913), get off at Qinshui Xincheng Station, then transfer to World Bus No.46 (or 15, 913), get off at Banpo Station and walk to Xi 'an Chengxi Bus Station (14 meters)

2. Walk to Guo.