According to Sohu's query, China Ancient Books Resource Database is a comprehensive digital resource publishing platform for special collection of ancient books built by the National Library (National Ancient Books Protection Center), and it is an important achievement of "China Ancient Books Protection Plan". The platform follows the principle of service while building. Up to now, online publishing resources include the National Library, off-site collection resources and overseas collection resources, totaling about 654.38+10,000 pieces. Among them, Essence of Inscriptions is a sub-library under the jurisdiction of China Ancient Books Database, which currently contains 50 kinds of Ming Dynasty Inscriptions. For example, the inscriptions of the Ming Dynasty, such as those of Kuixing Building in Jingzhao, Yulantang, Baohanzhai and Yunge, are all precious heritages of calligraphy art in the Ming Dynasty.