Tanjing, also named Sutra Liuzutanjing and so on. Tanjing is a collection of Huineng's sayings educating the disciples. It expresses the basic idea of the Chan sect. It is also known as the only Sutra written by a Chinese monk. Tanjing has an abundant but simple content. It is regarded as the very basic Sutra of the Chan sect, and it also has an important status in history of Chinese Chan sect. Tanjing appeared in the Tang dynasty, after that, generations of disseminators and copyists made some additions and subtractions according to their own understanding. As a result, there are different versions of Tanjing spreaded around the world. There were five versions of Tanjing in the excavated documents of Dunhuang cave for preserving Buddhist Sutra. While in Guazhou, more than ten pages of Tangut language Tanjing fragments was excavated by people. Tanjing was translated into Tangut language during the Tangut dynasty, with its strong characteristics on vocabulary using.