AT513「奇能異士來相助」與AT653「兄弟皆好漢」同屬於幻想類故事，而型號不同。但觀各自的故事群，裡面人物都擁有各種不可思議的變化能力，然變化的情節卻可互見於兩個不同類型的故事中。本文從故事結構、情節運用及變化、講述技巧、兩者之特色與創意做分析，最後以型號歸屬之關鍵及故事寓意總結，比較同類又相似的型之故事其間的特色與差異，並藉民間故事觀察人類創意思惟和心理變化之一隅。
AT513 ＂odd different persons can come to your aid＂ and AT653 ＂brothers are heroes＂ belong to the fantasy story, and different models. But the story of each group concept, which has a variety of incredible characters change capacity, and then change the plot but it can be found in two different types of mutual story. In this paper, story structure, plot utilization and change, about the skills of both features and creativity to do analysis, and finally to model vest critical and moral of the story summary, comparison of similar type of story and similar features and differences between them, and by the civil story observation and psychological changes of human creative thinking of the corner.
