bet365 best casino games History of the 21st Century，In the information age、Benefiting from the progress of the information society，Consultation and decision -making needs to serve the information society。This becomes a new challenge that historians should actively respond，The theoretical construction exploration and practical application of information history made，It is the active response to this。Information History Consid by，History was originally information; text reading and writing expression of historical research，is the flow of information between historic subjects; the whole process of historical research，is the process of complete information processing process。The purpose of information history is to explain history and historical cognition and its interpretation，Abstract or deconstruction to the information level，So as to systematically comprehensively use information、Information theory、Information Science，and related concepts of informatization applications、Methods and technical support and implementation methods，Discuss and study various issues in the field of history (including what history is，The main object of history，The qualitative of history、Quantitative、Relations and functions，The process and the presentation of the historical expression and the presentation of the conclusion, etc.)。Regardless of the theoretical construction of information history or specific application，Nothing is a cross -disciplinary breakthrough of historic thinking and expression.。

　Keywords:Information History Digital History Digital Humanities Cross -discipline Digital World History

Author Wang Xudong，Researcher of the Institute of World History of the Chinese Academy of Social Sciences (Beijing 100006)。