Abstract: In order to assist Middle Route of South-to-North Water Transfer Project, a salvage excavation had been carried out by Research Center of Chinese Frontier Archaeology of Jilin University on the Beitaishanmiao paleolithic site 2 in the Danjiangkou Reservior Region, March- May, 2010. The excavation exposed an area of 500m2 with 3 layers. The layer 1 is the arable land and black brown clay, where yielded 90 stone artifacts. The layer 2 is yellowish-brown clay. This layer yielded 21 stone artifacts. The stone assemblage includes cores, flakes, chunks and tools. Tools are few, and only 3 scrapers are identified; half of the stone artifacts are chunks. The layer 3 is bronzing clay. And this layer yielded 48 stone artifacts. The stone assemblage includes cores, flakes, chunks and tools. Tool types are rich, including scrapers , choppers, hand-axes, and picks and so forth. Dominant raw material of the Beitaishanmiao Paleolithic site 2 is quartz. The characters of the stone industries are that the blanks are based on the gravels and big flakes; and the major type is the heavy tool. According to the geological section and the stone artifacts, the layer 3 and 2 can be dated from Middle Pleistocene to Late Pleistocene.

Key words: Danjiangkou; Beitaishanmiao; Stone artifacts; Handax; Paleolithic