桂圆桥遗址是目前成都平原发现的年代最早的新石器时代遗址。而简报[1]受限于篇幅和体例,并未能对遗址中的一些重要信息进行充分讨论。这些信息掺杂了发掘者和整理者的认识,虽然不如简报中遗迹、遗物描述的客观,但对我们更深入地认识桂圆桥遗址以及整个成都平原新石器晚期文化的发展不无裨益。简报以四个典型遗迹或地层为例,说明桂圆桥遗址三个时期的文化面貌。仅从这四个遗迹或地层出土的器物看,三个时期的文化面貌泾渭分明、一目了然。而实际上,任何一个文化的发 Longan Bridge site is the earliest discovered in the Chengdu Plain Neolithic sites. The briefing [1] was limited by space and style, and did not fully discuss some important information in the site. This information is mixed with the knowledge of excavators and arrangers. Although not as good as the relics and artifacts described in the briefing, it is not without merit to know more about the ancient site of Guiyuanqiao and the late Neolithic culture in the Chengdu Plain. The briefing takes four typical relics or formations as an example to illustrate the cultural aspects of the Three Periods of the Longyan Site. Judging from the artifacts unearthed from these four relics or strata, the cultural outlook of the three periods is quite clear and clearly visible. In fact, any culture of hair