关键词: 泥河湾；旧石器文化

Abstract: The paleolithic cultural sites are very plentiful in the Nihewan Basin, More than thirtysites of various period have been found recently in the Basin. These discovery provided a largequantity of scientific information for the research of paleolithic culture. Based on the scientificinformation we can probably convince that the small stone tool tradition runs through the who-le paleolithic age from beginning to end and the paleolithic culture possesses obviously the cha-racteristics of inheritance and development in its evolution. The microlithic tool tradition ap-peared in the late paleolithic period.

Key words: Nihewan basin; Paleolithic culture