20世纪初期 ,随着新史学观的崛起 ,古典戏曲研究获得了新的眼光、新的思路和新的写作方式。戏曲史学应运而生。戏曲起源研究、戏曲的兴衰变化及其原因得到深入的探讨。王国维的《宋元戏曲史》在一个理论框架下 ,系统梳理宋元戏曲乃至中国戏曲的发展历史 ,标志着近代意义的戏曲史学的形成 ,并由此把古典戏曲研究带上了一个新的起点 In the early 20th century, with the rise of new historiography, the study of classical opera got new vision, new ideas and new ways of writing. Historical drama came into being. The study of the origins of the opera, the changes of the opera and its causes have been discussed in depth. Under the theoretical framework, Wang Guowei’s Song and Yuan Opera history systematically combs the history of the development of the Song and Yuan dynasties and even the Chinese traditional opera, marking the formation of the modern drama history and bringing a new starting point