”Sui tang yan yi” is Sui Tang's historical novel the mature works, this novel in this a series of novel's biggest characteristic, is uses destiny causes and effects, fictionalizes the Sui Dynasty and Tang Dynasty's two kings karmas of generations, and uses for to do for the Sui Dynasty and Tang Dynasty's history explanation. Therefore, this paper take the work content analysis as a way. First analyzes the novel utilization karmas of generations narrative structure. Next, discusses the author to compile the Sui Dynasty and Tang Dynasty's history, how to use the destiny causes and effects to explain the dynasty replacement? Finally again from novel history viewpoint, to ”Sui tang yan yi” use karmas of generations, makes the suitable appraisal.