In April-July 2004, the Research Group of the “Excavation and Study of the Longshan Culture Site at Jiaochangpu in Chiping, Shandong” jointly organized by the Shandong Archaeological Team. IA,CASS, the Shandong Provincial Institute of Cultural Relics and Archaeology, and the Liaocheng Municipal Bureau of Culture carried out four periods of excavation on the site. Thev revealed remains of city-walls of the late Shandong Longshan culture and traces of sacrificial pits related to them. The discovery of this city-site is of great significance. The western Shandong area was the juncture of the territories of the Dongyi and Huaxia cultural blocs,so its cultural contents were rather complex, and the relationship between the two great blocs has been in the cen ter of scholars' attention. The Jiaochangpu City of Longshan culture may have merged in the peculiar conditio.