一、引言2005年年初,天津市文化遗产保护中心对天津地区开展旧石器考古调查,共发现旧石器采集点27处,后整合为13处地点,主要集中于蓟县周围,共采集到石制品千余件,主要工具类型包括刮削器、尖状器、雕刻器、砍砸器等,还发现少数细石叶石核和若干细石叶[1-3]。同年5月下旬,该单位与中国科学院古脊椎动物与古人类研究所组成 I. INTRODUCTION At the beginning of 2005, the Tianjin Cultural Heritage Protection Center conducted an archaeological survey of the Paleolithic in Tianjin. A total of 27 Paleolithic collection points were found and the site was later integrated into 13 sites, mainly around Jixian County. A total of thousands of stone products were collected The remaining pieces, the main types of tools, including scrapers, pointers, engravers, cutters and so on, also found a small number of fine stone leafstone and a few fine stone [1-3]. In the same year in late May, the unit is composed of the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences