元朗下白泥吴家园沙丘遗址是在香港古物古迹办事处组织的全港文物普查中，由第一普查工作队于１９９７年９月发现的（图一）。该遗址经初步勘探，面积广大，南北长３６０、东西宽４０米，包含有３个不同时期的文化层，堆积厚达２米余，是一处非常重要的古文化遗址。由于时间所 The Yuen Long Lower Pak Nai Wujiayuan Dunes Site was discovered in September 1997 by the Census Team I in Hong Kong at the territory-wide census of artifacts organized by the Hong Kong Antiquities and Monuments Office (Figure 1). The ruins of the initial exploration, an area of ​​360 north-south long, east-west width of 40 meters, contains three different periods of cultural layer, the accumulation of more than 2 meters thick, is a very important ancient cultural sites. Due to the time