《晋书》、“八书”、“二史”是中国中古时期的11部官修纪传体史书。20世纪,中国学者对这11部正史的研究取得了一定的成绩,但还不充分。本文由三部分组成:第一部分对11部正史的基本内容、特点及其作者予以概论式的说明;第二部分对本卷所选论文作了简明扼要的介绍和评价;第三部分对20世纪关于11部正史的研究情况进行了论述,对研究不充分的原因作了分析,并对今后之研究提出一些展望。 “Jin book”, “eight books”, “two history” is the history of ancient China’s 11 official history books. In the 20th century, Chinese scholars made some achievements in the research on the 11 official histories, but they were not enough. This article consists of three parts: The first part of the eleven official history of the basic content, features and author to be an overview of the description; the second part of this volume selected papers made a concise introduction and evaluation; the third part of the 20th century about 11 cases of the history of the orthodox were discussed, the reasons for the study is not fully analyzed, and put forward some prospects for future research.