Abstract:The authors describe the history of clasification of the Ordovision strata inShandong Province and propose to tom to top,into the Donghuang dolomite member,the Beianzhuang dolomite member, the Tuyu dolomite member,the Wuyangshanlimestone member, the Gezhuang dolomite member,the Badou dolomite member and thenewly-established Xinwen dolomite-limestone-sandstone member.