Cao Xueqin's name is Zhan, the word Meng Ruan, the name is Xueqin. "Dream of the Red Chamber" was originally called "Story of the Stone". The whole book described the prosperity and decline of the feudal society of the Qing Dynasty and the complexity and contradiction of human nature with the rise and fall of the four families of Jia, Shi, Wang and Xue as the main line.