A Dream of Red Mansions is a fantastic book, with more than a dozen known versions. The circulating Dream of Red Mansions has two systems. One is to approve books with fat (note: it is not a book, it is a general term for all versions of fat in the book. ) based system, one kind is based on Cheng Gaoben system.

There will be a person named Zhi Yanzhai who comments on articles in the book "The Review System" (the reviewers in the book are not only Zhi Yanzhai, but also the most frequent. There are different opinions about the identity of Zhi Yanzhai, but there is no doubt that this person has a very close relationship with Cao Xueqin. Fat criticism revealed the author's writing background and intention at that time in many places, which was the main source of textual research on A Dream of Red Mansions. Its many versions can be regarded as the self-filling of each version in the case of incomplete papers.

Cheng Gaoben took the manuscript of Fat Batch System as the background, and Gao E continued to write the last forty chapters, which is also the most familiar version for the public. In order to make the article connect naturally, this edition has made a lot of deletions and changes to the first 80 chapters, and all the comments in the book have been deleted. Cheng Gaoben is divided into Cheng Jiaben (first edition) and Cheng Yiben, and the latter is more deleted. The old version of A Dream of Red Mansions before People's Literature Publishing House was adopted by Cheng Yiben, but Mr. Zhou (Dream of Red Mansions) strongly disagreed. After the new version, it was changed to more (belonging to the trial system. According to textual research, this is the last edition of Cao Xueqin's life, which is second only to the manuscript. However, some scholars believe that it is made up of multiple versions and forged by businessmen for profit. )