张载与二程同是北宋之际的重要哲学家，同是宋代理学的创始人。张载所创立的关学与二程创立的洛学，同属宋明理学中的重要流派。濂、洛、关、闽，多被认为是理学的正宗，《宋元学案》卷引《吕范诸儒学案》谓“关学之盛，不下洛学”，这是关学与洛学对峙意义上的关学。然而“其传何其寥寥”，“儒术并为之中绝”，关学在张载死后竟然不复先前之盛而走向式微了。我认为，研究这种现象背后的学术原因以及关洛最终的学术命运对宋明理学的形成和发展能够起到什么样的作用，这是一个值得探讨的问题。本文主要从张程关洛的学术交流活动中突出1080年程颐关中行这一事件，并从这一事件的出发，探讨北宋理学思潮下的关洛学术交流以及发展情况。

Chang Tsai and the brother Cheng are important philosophers of Northern Song Dynasty, and they are also the pioneers of Song-Ming Confucian. Chang Tsai founded Guan School and the brother Cheng founded Luo School, the two are important schools. There is a saying in the book Song Yuan Study Cases that Guan School was as success as Luo School. This means the two having same scale. But despite the fact that after Chang Tsai’s death, there was no outstanding philosophical heir. Then this school is no longer prosperity and going to declined. I think, the academic reasons behind this phenomenon and two schools’ ultimate academic fate playing what role in the formation and development of Neo-Confucianism, this is a problem that is worth to research. The focus of the study is to present a critical inquiry into the academic relations of the two schools, especially the event that Cheng Yi going to Guan Area in 1080. Starting this research, for the sake of grasping the reasons why Guan School and Luo School having different academic fate in the context of Northern Song Dynasty, and we tend to grasp the common tendencies of Song-Ming Confucian thought in general.