Over the past twenty years since the 21st century, the number of research monographs on The Dream of Red Mansions has increased significantly, and the proportion of research monographs on ancient Chinese novels is also quite high. The reason for such rapid growth is related not only to the so cial and cultural environment, but also to the academic ecology. However, as far as the achievements of the Study of The Dream of Red Mansion are concerned, there is no significant improvement. During this period, some new editions and new historical materials were found, and many achievements were made in the compilation of relevant catalogue indexes, the collation of works and materials. At the same time, new progress was also made in the study of editions, overseas dissemination and acceptance, the reading of the whole book, and the study of the history of Study of The Dream of Red Mansions. During this peri od, the appreciation and appreciation books published were uneven, and the reading materials of ″ Lovers of The Dream of Red Mansions″ also had a growing trend.