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Inscriptions in past dynasties are a treasure house, involving politics, economy, religious philosophy, customs, literature and art, which can complement historical records. The existing 10 stone drum in the Forbidden City is the ancestor of stone carving. Inscriptions have left traces of countless famous artists since ancient times, showing various fonts and styles of calligraphy, which is really the source of China's calligraphy.
The Palace Museum has collected tens of thousands of inscriptions of various eras, a small part of which are old collections of the Qing Palace, and most of them have been in Tibet in the past 50 years. A group of famous collectors such as,,, Wu,, Chen Shutong, etc. He donated his collection to the Palace Museum successively, and collected a number of rare books (Song Tuo, Ming Tuo and Orphan) and handed them in in order.