旧石器时代，是指人类已会制造石器工具的时期。早期的先人们用砾石为原料，把砾石打成石片，一般不作第二步加工，便成为工具。所以这一时期石器的形状，缺乏一定的类型。他们用这种粗糙的石片工具去制作木棍，或拿去刮割兽皮和兽肉。考古学上称使用这种原始石器的时代为旧石 Paleolithic, refers to the mankind has been made stone tools. Early pioneers who use gravel as raw material, the gravel labeled as stone, generally do not make the second step processing, it becomes a tool. Therefore, the shape of this period of stone, the lack of a certain type. They made sticks of this rough stone tablet tool, or cut the hides and beasts. Archeology says the age of the primitive stone was stone