“龙山时代”的概念是严文明先生在80年代初提出的,严先生分析其时间大体落在公元前2600年至公元前2100年间。一段时间以来,龙山时代成为学者研究文明起源、国家产生等问题的重要时间段。初始研究的重点以黄河流域为主,近年来,随着文明进程诸问题研究的逐步深入,长江流域的文明进程与黄河 “Longshan era ” concept is Mr. Yan Wenming put forward in the early 80s, Mr. Yan analysis of its time generally falls between 2600 BC and 2100 BC. For some time now, the Longshan era has become an important time period for scholars to study the origins of civilizations and the emergence of the state. In the recent years, with the gradual deepening of the research on various issues of civilization, the process of civilization in the Yangtze River Basin has been linked with the Yellow River