我们考察一项发掘项目的优劣主要是在一定的学术和时代背景下看该项目的学术目的,同样,评析一本发掘报告也应当在特定的学术和时代背景下考察该报告解决了什么学术问题。20世纪50~70年代,随着长江中游大溪、屈家岭、石家河和长江下游马家浜、北阴阳营、崧泽、良渚等诸文化面貌的揭露,自成体系的长江中游和下游东段地区史前文化序列得以初步建立,而位于两区之间的史前文化 We examine the pros and cons of an excavation project mainly in a certain academic and time background to see the project’s academic purposes, the same evaluation report also should be in a specific academic and historical context of the report to solve what academic problem. From the 1950s to the 1970s, as the cultural landscapes of Daxi, Qujialing and Shijiahe in the middle reaches of the Yangtze River and Majiabang in the lower reaches of the Yangtze River, Beiyinyangying, Songze and Liangzhu were uncovered, The prehistoric cultural sequence of the eastern section of the lower reaches was initially established, while the prehistoric culture located between the two regions