The 22 ancient books databases of China Library publish digital resources, including 699 rare ancient books of National Library, 39 rare ancient books of Yunnan Library, 8 school-based ancient books of Zhilanzhai Library, 7 Chinese books donated by Japanese Yongqing Library, 2,595 digital resources of rubbings of Ming and Qing Dynasties in National Library, and 32 image resources of ancient books of Heilongjiang Library.
Ancient books are an important carrier of Chinese excellent traditional culture and a valuable cultural heritage of the Chinese nation.