Ethical Allegory is a story in which the theme overcomes the image and the form of the story and the characters are just devices to communicate a predefined and ordinary message. Ethical stories in Marzbannameh are the exact instances of such allegories. In most stories in Marzbannameh, Allegories consist of three logical kevels based on reasoning, and it is possible to draw the pattern ABA for all the allegories in Marzbannameh, i.e. Allegory in Marzbannameh is a movement which starts from point A, and moves to point B, and then it refers back again to point A. The structure of allegory in Marzbannameh is a recursive and closed one. This pattern proved to be effective in satisfying the reader, communicating the message, emphasizing and fixing the meaning, searching the sense, eliminating the delusion, and excluding neglect. This specific uniform pattern of allegory has become powerful through convincing and satisfying the readers. The structure of allegory will be analyzed in this article.