Abstract: It is a common phenomenon fo r both the folk sects and the secret societies to be set up in virtue of myth.Therefore,to comprehend these myths profoundly is not only beneficial to the research of the folk sects and the secret societies but also a key to open the door of their histories.Focusing on the key point of“dramatizing”, this article mainly researches on the narrative pattern of “fatuous monarch and treacherous court official vs,the court official w ho has rendered outstanding service”in the myths of the founding of folk sects and secret societies in the Ming Dynasty and Qing Dynasty.Furthermore, it tries to analyze the forming of the Xilu Myth under the historical background of the Heaven and Earth Society and thus finds the answer to the origin of the Heaven and Earth Society.