公案小說是中國古典小說史上的一個重要流派，「公案」一詞的中心意涵指的是「案件」，故此，公案小說即取材於各種案件的小說。蒲松齡《聊齋誌異》這部優秀的文言短篇小說，其間涉及案件的故事，為數不少，堪稱公案小說傑出代表。本文特別針對《聊齋誌異》案件中涉及現實人世訟獄的故事篇章，以結構主義敘事學的角度觀點，分析這部中國經典小說內關於人世公案的情節結構。透過敘事學的情節觀點研究分析發現，《聊齋誌異》公案小說的情節結構多元，同時並存敘事文類中單純的基本序列，以及繁複的複雜序列，而其複雜序列結構表現又姿態紛呈，其中＜臙脂＞一篇明顯融合各篇公案小說情節結構特色。此外，進一步探究《聊齋誌異》公案小說情節，發現《聊齋誌異》呈現的情節框架設計，裨益於凸顯公案事件中的破案人物，這種凸顯人物的情節結構設計，形成《聊齋誌異》人世公案小說不以塑造情節懸疑效果為第一要務的敘述特色。全文共分五個章節，首章略敘文本研究範圍、研究方法及目的；第二章運用結構主義敘事學的情節概念分析小說呈現的情節結構，發現其間具有基本序列及複雜序列等多元形態；第三章從情節組織原則及類型觀點進一步分析小說情節塑造特色；第四章分析其情節結構組織的效果有助凸顯斷案人物，尤其是破案者角色；末章，總結藉由一系列敘事學的情節概念，發現《聊齋誌異》人世公案小說塑造的情節結構框架，明顯強調斷案人物角色而非懸疑性情節。

“Complicated legal case stories＂ is an important branch of the Cinese classical literature. “Complicated legal case stories＂ describes different cases. In ｀Strange Stories from a Chinese study´, there are quite a few excellent case stories which were written by Pu Song-ling. The purpose of this article attempts to research into the polts of the “Complicated legal case stories＂ from this classical work in the Narratology view .There are affluent polts in the｀Strange Stories from a Chinese study´, “Rouge＂ especially. Besides,the polts of these stories emphasize the importance of the exceptional justice. Emphasizing the justice is a key feature of these stories that are different from suspense of Western whodunit. This article consists of five parts. The first part illustrates the ground, research methods and purposes. The second and third parts discuss features of the fictional polts in the Narratology view. The forth part discusses the polts which are emphasizing the exceptional justice. At last ,we find the polts of these stories which accent figures rather than plots of suspense.