Reed flute cave and Dayan are both on Guangming Mountain. There are 78 wall books in reed flute cave Cave, which are mainly distributed on the rock walls of Lingzhi Mountain, Dingtianzhu and Crystal Palace. The earliest piece named "Yongming" was left by tourists during the reign of Emperor Wu of the Southern Dynasties. Other wall books include titles, poems, notes, lists, etc. , are of a tourist nature.

Among them, Tang Dynasty and Huaixin monks, Song Dynasty Zhao and Franco-Prussian monks, Yuan Dynasty Taoism, Ming Dynasty and Shen are important materials for studying local history.

There are many titles and inscriptions of monks and Taoists in reed flute cave. We can get a glimpse of the activities of ancient religious figures in Guilin.

Dayan is located on the east and west sides of Guangming Mountain, about 500 meters away from reed flute cave. The entrance of the cave is very hidden. There are 93 cliff books and two cliff books in the rock, most of which were written by ordinary people. There is no artistic processing, no praise or criticism, and it truly records the historical events at that time.