中文摘要：

中国古代的有齿出牙环状玉器,最早起源于环渤海地区的山东半岛东部和辽东半岛南部一带。这种形制特殊的玉器,应该有两个文化来源,其一是最早出现在山东半岛东部一带的有齿环状玉器,其二是最早出现在辽东半岛南部一带的出牙环状玉器。所谓有齿出牙环状玉器,应是二者的有机结合。在后红山文化时代,环渤海地区上层之间有着频繁的交流互动,而且与黄河中上游地区上层之间也有着远距离的文化交流。有齿出牙环状玉器作为一种地区间交流和传播的平台,进一步印证了在国家文明形成之际环渤海地区高度发达的上层交流网已经形成。

英文摘要：

The earliest origin of ancient China’s Jade ring with tooth‐shape and horn‐shape is the eastern Shandong Peninsula and the southern Liaodong Peninsula of the Circum‐Bohai‐Sea region .T his special shape of jade should have two cultural sources ,one of them is the jade ring with horn‐shape that first ap‐peared at the east of Shandong Peninsula ,and the other is the jade ring with tooth‐shape first appeared in the southern Liaodong peninsula area .Jade ring with tooth‐shape and horn‐shape should be the organic combination of these two .After Hongshan period ,Circum‐Bohai‐Sea region not only has a frequent interac‐tion at internal upper reaches ,but also has a long distance interaction with the upper and middle Yellow River region .As a kind of exchange and communication platform ,this kind of jade further confirms that the upper level communication netw ork has been formed during the coming of the national civilization in the Circum‐Bohai‐Sea region .