关于辽代成州问题,早年阎万章先生曾经做过详细研究,解决了围绕成州建置方面的许多重大问题1。由于近年又有新的地下资料出土,因此笔者拟对这一问题再做些补充,并谈一点新的认识,供学者们参考,如有不当,请批评指正。睦州是楚国公主岩母堇、附马萧绍业所建头下城辽代曾建过睦州,在宋人李攸《宋朝事实》中将睦州列为三十四投下州之一,在《北蕃地理》、《地理丛考》中也记有睦州,但却将睦州书作穆州。《地理丛考》说:“穆州,北酒糟河,东南渡河至医巫闾山,西中京”2。《北蕃地理》说:“晖州,胡中 Regarding the question of Chengzhou in the Liao Dynasty, Mr. Yan Wanzhang had done a detailed study in the early years and solved many major issues concerning the establishment of Chengzhou. As new underground information has been unearthed in recent years, the author intends to make some further additions to this issue and to make new understandings for the scholars’ reference. If there is any inappropriate information, please criticize and correct it. Mu state of Chu state is the princess rock mother, attached to the Xiaotou industry built under the head of Liao Dynasty had built Muxiu, Li You in the Song Dynasty ”Song Dynasty Facts“ will Muxing as one of thirty-four to vote in the state, at ”North Fan geography“, ”geography Cong exam“ also recorded Mu state, but Mu Mu books. ”Geological Cong examination“ said: ”Muzhou, North Liquor River, southeast to the river Wu Yi Wulv Hill, West Beijing“ 2. ”North geography“ said: ”Huizhou, Huzhong