The first generation of Mongolian "original documents" are mostly represented by the original pictures and inscriptions depicted by Mongolian plateau rock paintings. Mongolian rock paintings are prehistoric image "historical documents" carved on rocks. Such as Lake Baikal, Irtysh River Basin, Altai Mountain, Yinshan Mountain and other places, reflect the survival and life of ancestors in the arid zone of prehistoric Eurasia and later nomadic peoples such as Mongolia. 13-19th century second generation Mongolian calligraphy documents, including Mongolian sheepskin, birch bark, cloth and silk, and paper calligraphy documents; Mongolian stone tablets, cliffs, symbols, maps and musical scripts; /kloc-Mongolian woodcut and stone carving books and materials from the 0/4th century to the end of 0/9th century. The third generation of modern Mongolian literature includes Mongolian books and materials printed and published by movable type printing technology from the end of 19 to the 1980s. The earliest Mongolian books printed and published by movable type printing technology were born in Petersburg, Russia at the end of 19. Later, in the 1920s, Temugetu founded the Beijing Mongolian Literature Society, and began to print and publish Mongolian books and materials in China with movable type printing technology, which remained in use until the 1980s.