寰宇茫茫,生物吐纳,有一种有形无形而存在的东西,中国古代哲人称之为气,它是中国古代学术史上一个重要的哲学概念,儒家学者就特别讲究“气化流行”.该文着力于探讨理学的“气化流行”,以阐示“气化流行”在理学中的理论价值及意义.“,”In the whole world,there exists an intangible thing,which is named Qi by Chinese ancients. Qi is always discussed by the Chinese philosophers,one of them is the Confucianist, who maintained an opinion of Qihualiuxing. The article aims to approach that idea, to expound the significance and theoretical vaule of Qi-hualiuxing in the Confucian School of Idealist Philosophy.