《郑文公碑》,全称《魏故中书令秘书监使持节督兖州诸军事安东将军兖州刺史南阳文公郑君之碑》、《荧阳郑文公之碑》,或称《郑羲碑》、《郑文公下碑》等。刻于北魏永平四年(五一一)。楷书,五十一行,行二十九字,碑高一百九十五厘米,宽三百三十七厘米。碑石在云峰山(今山东省莱州市东南约七公里处)山腰,至今仍在,并有碑亭护之。此碑有 “Zheng Wen Gong monument”, the full name of “Wei Gu Zhongshu Secretary Supervisor of Governor of Governor Yanzhou military generals Anton Yanzhou Shi Zhi Nanyang public Gong Zheng monument”, “Ying Yang Cheng Wen monument”, or “Zheng Xi monument”, “ ”Zheng public monument" and so on. Engraved in the Northern Wei Yongping four years (May 11). Regular script, fifty-one lines, twenty-nine lines, monument height 195 centimeters, width 337 centimeters. Stele in the Yunfengshan (now Laizhou, Shandong Province, about seven kilometers southeast of) mountainside, still in the present, and Beiting protection. This monument has