According to the information from the Ministry of Justice of China and the website of People's Republic of China (PRC), few national historical archives were preserved before the Yuan Dynasty, and most of them disappeared in the long river of history. China No.1 Historical Archives mainly preserves the historical archives of the Ming and Qing Dynasties, with more than 77 fonds100000 pieces, of which the archives of the Qing Dynasty account for the vast majority, and archives of ming dynasty only keeps more than 0/000 pieces of/kloc-0, which was collected by the Qing Dynasty and used to compile the history of the Ming Dynasty.