探讨我国细石器文化以及相邻地区文化的起源问题,不仅是我国考古工作者多年来研究的重要课题,而且也是世界考古界关注的“热点”课题之一。大约在半个世纪之前,在国外科学界出现了对有关世界文化的“扩散”问题或“趋同”问题的研究,有关东北亚与北美细石器文化问题,也可以包括在这一重大课题之内。持“趋同”观点的学者认为,在北美洲大陆上印第安人祖先中出现的细石器文化,是随着这些印第安人的祖先,在北美洲大陆 It is not only an important issue for Chinese archaeologists to study for many years, but also one of the hot topics that the archeological world pays attention to. About half a century ago, studies on the “proliferation” or “convergence” of world cultures emerged in the scientific community in the world. The fine stone culture in Northeast Asia and North America can also be included in this major issue . Scholars who hold the view of “convergence” think that the fine stone culture appearing in the Indian ancestors on the North American continent is based on the ancestors of these Indians in the North American continent