Cheng Jia's version and Cheng Yi's version were two different versions of 'Dream of the Red Chamber'. Both were collected and organized by Cheng Weiyuan and the others. Cheng Jia's version and Cheng Yi's version were different in terms of version arrangement. The specific differences were as follows: 1. There are some differences in the arrangement of chapter titles and page numbers between Cheng A's and Cheng Yi's books. Cheng A's book used numbers on the title and page number, while Cheng Yi's book used alphabets. In the content, there were some subtle differences in the names, ages and appearances of the main characters such as Lin Daiyu and Xue Baochai. In addition, there were some differences between Cheng Jia's and Cheng Yi's versions in the aspects of fat approval, chapter, revision, etc. In terms of publishing, Cheng Jia's and Cheng Yi's books were compiled and published by Cheng Weiyuan and others. However, Cheng Yi's version had been revised and collated before publication to make it more accurate and standardized. Cheng Jia and Cheng Yi are both important versions of Dream of the Red Chamber. There are some differences in the arrangement of the versions and the content, but they are both precious resources worthy of our study and respect.