本书收录作者关于清朝社会等级制度问题研究的论文11篇，并附有元代奴隶法律地位问题的论文，这些文章都是作者在这一研究领域的代表作，受到学术界高度关注的不少学术观点都出自这些论文，能够结集出版，为读者提供了方便。

This book includes 11 papers by the author on the study of social hierarchy in the Qing Dynasty, accompanied by papers on the legal status of slaves in the Yuan Dynasty, which are the author's representative works in this field of research, and many academic views that have attracted great attention from the academic community are derived from these papers, which can be collected and published for the convenience of readers.（AI翻译）