本文记述盘县大洞近期历史沿革和对洞内已出露的堆积层初步观察的结果。大洞堆积层近期的人为破坏十分严重，但中下部基本上完好。组成物质和结构表明，整个堆积层是在大洞脱离地下河的环境之后形成的；而根据所含的动物化石、人类化石、文化遗物的性质，以及钟乳石的铀系年龄，中上部堆积属中更新世晚期 This article describes the recent history of Panxian Dadong and the preliminary observation of the exposed layers in the cave. Recent man-made damage to the accumulation of large holes is very serious, but the middle and lower parts are basically intact. The composition and structure of the sediments indicate that the entire accumulation layer is formed after the large holes have been separated from the underground river environment. According to the nature of animal fossils, human fossils and cultural relics contained and the uranium age of stalactites, Late stage