Yi Yuan has substantial contents, not only recording many extraordinary things and conventions but also involving the historical facts of Han, Wei, Jin and Liu Song.

志怪小说《异苑》内容丰富，既记载了许多传闻逸事，反映了当时社会的风俗人情，又涉及晋宋及前朝的诸多史实。

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"Yi Yuan," a book with a lot of witchcraft and astrology, is the valuable information on the study of the phenomenon of witchcraft and astrology in the period of the Wei, Jin.

《异苑》一书中有大量的巫术、方术内容，是研究魏晋南北朝时期巫术和方术现象的珍贵资料。

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But because the thinks of Yinyang and Zhanshu had also the energies, the doctrine of Yi-wei came to the "little tradition" and was absorbed by the Shushu and Fangji.

但由于《易纬》思想中的一些阴阳五行及占术思想仍具有活力，最后走入小传统，为数术、方技所吸纳。

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