Datang tianzhu use inscription moya carved stone, local people call it "ava JiaYing", that is, the meaning of "father" of Chinese characters. Is located in keelung county ZongGa town 4.5 kilometers to the north of the cliffs. Rock wall width is about 1.5 meters, about 4 meters high, about 8 meters high, from the surface on the mountainside, lang hot water from the cliff feet around. 

Stone 1 meters long, 90 cm tall, intaglio regular script, literally, with Yin line fine carved box interval of 24 columns of the existing, about more than 300 words. Epigraphic frontal titled transferred to about 10 cm square, saying "datang tianzhu use inscription" seven characters, arranged from right to left, the body vertical placement. 

According to research, datang tianzhu use inscription show three years (658), the emperor tang period famous foreign explorers Wang Xuance, Liu Renjie a line to the Indian subcontinent left by the way here. This is by far in the han and Tibetan stone carvings have been found in Tibet s first, than existing prior to the jokhang temple in Lhasa famous "Tang Fan cemented tablet (in Tang Muzong changqing for three years, 823) in 165. This sense of cliff stone carvings in the tang dynasty recorded in the tang dynasty envoy after hardship to tianzhu, le stone record a merit in this case. 

Its meaning: this is the tang dynasty official rate butler of a line to India, after untold hardships, arrived from changan; Keelung beauty of the landscape is impressive, by several lines carved stone to JiYunYun. 

Datang tianzhu use inscription found, to understanding the central plains in tang dynasty in Tibet region and tianzhu foreign traffic as well as political and economic ties between the situation is of great significance. On the basis of research, the central plains in tang dynasty envoys to tianzhu is via the keelung, suva, pass by the china-nepal border, into this region of Nepal; Wang Xuance in, lamb with location between keelung in Lhasa. 

(datang tianzhu use inscription about 25 June 2001 was released by the state council as one of national key cultural relics protection units.)