李渔在其著作《闲情偶寄》中建立了一套完整的戏曲理论体系,相关的戏曲理论在当代仍具有重要的理论意义和应用价值,本文从戏剧结构、戏剧人物、戏剧语言和戏剧功能等四个方面进行了论述。 Li Yu has established a complete set of theoretical system of opera in his book “Leisure Feelings and Mailing”. The related theories of drama still have important theoretical and practical value in the contemporary era. This paper starts from the structure of drama, drama characters, drama language and drama And other four aspects were discussed.