北宋张邦基《墨庄漫录》卷四云:“许、洛两都,轩裳之盛,士大夫之渊薮也。党论之兴,指为许、洛两党。崔德符、陈恬叔易皆戊戌生,田昼承君、李豸方叔皆己亥生,并居颖昌阳翟,时号戊己四先生,以为许党之魁也。故诸公坐废之久。”四人中崔、田昼、李廌《宋史》有传,关于三人也或多或少有一些专门研究。至于陈恬,则到目前为止并无专文或专著探讨,本文试图对其事迹及思想略加钩沉,以补缺憾。一、陈恬履历考 Northern Song Dynasty Zhang Bangji “Mo Zhuang Man recorded” volume four clouds: “Xu, Luo both, Sheng Xuan Sheng, Dr. Yuan Yuan also .Hang on the party, refers to Xu, Luo bipartisan. Tian Tian Cheng Jun, Li Fang Fang Shu all have students, and Ying Ying Changyang Zhai, timepiece Mr. Wu Xiju, that is the leader of the Xu party, so the public sit still for a long time. ”Four of Cui, Tian Day, Li Kui, “Song History” there, there are more or less on the three have some special studies. As for Chen Tian, ​​there are no monographs or monographs so far so far. This article attempts to make a slight increase in their deeds and thoughts so as to make up for the deficiencies. First, Chen Tian resume test