本器優質和田青白玉雕琢, 形制為單層玉琮. 大地為萬物之母, 玉琮為祭地之禮器. 本玉琮之主要紋飾為玉龍, 本玉琮應為神面, 龍, 鳳三組玉琮之一. 本器古玉跡象主要為擴散暈沁色及冰裂紋. Carved with Hetian fine jade, this single tier jade cong has similar dragon motif on each side of the cong. It should be one of the three congs with motifs of god’s face, dragon and phoenix. Diffusive markings and differential weathering are the main evidences of antiquity.