20世纪的中国史研究,可以说取得了飞跃性的巨大发展。促成史学研究这一巨变的因素很多,但不难看出,最主要的一是由于理论方法上的革新,二是由于考古发掘与文书档案的一系列新发现。以文书档案而言,20世纪初即有一系列新发现。其后不久,著名学者王国维概括出甲骨文、汉晋简牍、敦煌文书、明清内阁大库档案四 The study of Chinese history in the 20th century can be said to have achieved tremendous and tremendous growth. There are many factors contributing to this great change in the study of history. However, it is not hard to see that the most important one is due to theoretical and methodological innovations. The second is due to a series of new discoveries in archaeological excavations and document archives. In the case of clerical files, a series of new discoveries began in the early 20th century. Shortly thereafter, well-known scholar Wang Guowei outlines the Oracle, Han and Jin Jian, Dunhuang instruments, Ming and Qing Cabinet File IV