What are the main types of compilation of ancient archives in China? What are their characteristics in writing style?

An ancient document: imperial edict collection, memoir collection, political book collection and short message collection.

1) imperial edict collection: it is the general name of the compilation of administrative files of ancient supreme rulers. minister

2) Records: A compilation of chronological files and documents that record the country's past political system and important historical facts. Shi Ming road

3) Collection of memorials: a compilation of files and documents memorialized by ancient dignitaries. On behalf of the monarch, the minister of content design drafted the imperial edict and asked for instructions, reported, expressed feelings, made suggestions, appealed and apologized to the monarch.

Other aspects are important documents that reflect the specific administrative situation of various departments and localities, including playing books, taking notes, writing books, posting, memorising and so on. Lu shoucang

4) Certificate: refers to the general name of archives and literature collections that classify and compile ancient laws and regulations. The earliest documents-Confucian classics Sanli, Yili, Zhou Li and the Book of Rites.

5) Summary: It is a compilation of special files centered on a major military, diplomatic and political event. Editorial of the North Alliance of the Three Dynasties

6) Letters collection: a collection of files and documents based on letters. Letters of celebrities in past dynasties

7) Long compilation: It is the compilation of historical materials according to the compilation style of specific works and the requirements of selected documents, so as to prepare for the compilation of files and documents that have been abridged into books.