It emphasizes that human rationality is the driving force of historical development, advocates exploring the laws of historical development, examining and judging history with a rational eye, advocates breaking through the narrow political and military history and paying attention to the broad social and cultural history, and puts forward a systematic theory of historical progress. According to the explanation of the terminology of rationalism history, the Enlightenment era rose at the end of 17-18, and its main feature is that it emphasizes that human rationality is the driving force of historical development. It advocates exploring the development law of history and examining and judging history with a rational eye. It advocates breaking through the narrow political and military history and paying attention to the broad social and cultural history. Put forward a systematic theory of historical progress.