本文拟以北京地区供奉二郎神的寺庙、二郎神信仰以及二郎神故事为研究对象，主要以民俗学视角，运用文献研究法、田野调查法方法，以北京市档案馆编《北京寺庙历史资料》为基础参考资料，对北京地区供奉二郎神的寺庙进行普查和个案调查、分析北京二郎神故事的故事类型以及探索其中的民俗学意义。

本文首先探究北京地区多元文化背景及宗教信仰，分析北京地区供奉二郎神的寺庙的修建数量、时间分布与地点分布，对其中的27座庙宇进行普查，以更好理解二郎神信仰在北京地区的发展。接着对二郎神故事进行搜集整理，进而根据故事文本展开北京二郎神故事的故事情节单元编制，进行北京二郎神故事的故事类型分析。最后，对北京市丰台区刘家村二郎庙和北京市东城区灯市口狗神庙进行个案调查，探析北京地区供奉二郎神的寺庙以及二郎神信仰具有的重要的民俗学意义。

This paper takes temples dedicated to Erlang God, the faith of Erlang God and Erlang God folktale in Beijing as the research object, mainly from the perspective of folklore, using the methods of literature research and field investigation, and based on the "Beijing Temple Historical Materials" compiled by the Beijing Archive Reference materials, a census and case investigation of temples dedicated to Erlang God in Beijing , analysis of the types of stories of Beijing Erlang God folktale and exploration of the significance of folklore.

This paper first explores the multi-cultural background and religious belief in Beijing, analyzes the number, time distribution and location distribution of the construction of temples dedicated to Erlang God, and makes a general survey of 27 temples in order to better understand the development of Erlang God belief in Beijing. Then the folktale of Erlang God is collected and sorted out, and then the plot unit of Beijing Erlang God folktale is compiled according to the folktale text, and the folktale type of Beijing Erlang God folktale is analyzed. Finally, a case study of Erlang temple in Liujia village, Fengtai District, Beijing, and Dengshikou dog temple in Dongcheng District, Beijing was conducted to explore the important folklore significance of temples dedicated to Erlang God and the faith of Erlang God.