Abstract: A lot of mammalian fossils, more than 1300 pieces of stone artifacts, several pieces of human teeth which remain to be examined, and other cultural indications shch as charcoal, burntbone and ash were collected from 80m' excavated area of a cave-site named 'Dadong '(literally'Grand Cave ) during the first excavation from A pril to May, 1992. The deposits inside the cavebwhere yielded fossils and cultural relics consist of clay, sandy clay, sandy, fragments of liestone, breccia and stalactite. It covers an area of roughly 8000m^2 and is about 19 m thicknear the cave-mouth. The mammalian fossils include 40 species and belong to the Ailuropoda--Stegodon fauna. It indicates the upper Middle and lower Upper Pleistocene temporally. The stone artifacts made of chert, basalt and other rock consist of cores, flakes,tools and debris. The categories of tool include side-scraper, end-scraper, notch, borer, handaxe, chopper, hammerstone and anvil. Direct percussion technique was used commonly in flaking and retouching, and the prepared-core technique was shown in many specimens.

Key words: Panxian Dadong; Mammalian fossils; Stone artifacts