Abstract: By astronomical phenomena, astrology can predict the things in the world and is closely related to destiny kingship.The discussion of orthodoxy is also launched around the kingship of destiny, so the arguer of orthodoxy often pays attention to astrology. Through analysis of the treatment of astrology when the arguer discusses orthodoxy, not only can see their subjective intention and position be seen, but also can the different meanings of astrology in different ages be understood.

Key words: astrology, orthodoxy, The Records of the Three Kingdoms, The Romance of The Three Kingdoms, History of Han and Jin Dynasties

摘要： 占星术因其借由天象，能够预测人世间的事物，与天命王权息息相关。正统观的论述也围绕天命王权展开。对正统观有所论述者往往也对占星术有所关注。分析诸家在论述三国正统观时对占星术的处理，不仅可得见各家的主观意图、立场，而且能够认识占星术在不同时代的不同内涵。

关键词: 占星术, 正统观, 《三国志》, 《三国演义》, 《汉晋春秋》