Made of white jade, the handle of the knife has the shape of dragon head which may serve as the origin of the dragon motif for later period.
A bugle shape hole located at the mouth part of the dragon. The conjunction between the handle and the blade is decorated by motifs of phoenix on both ends. Again, the phoenix motif is believed to be the origin of phoenix for later times. The eyes of dragon and the phoenix have shown low relief carving style. On back side of the blade, three new moon shape curves are seen. The hole at the dragon mouth has a horizontal incised line whose implication is unknown. The cutting-edge is blunt. The surface of the blade is concave with a surface slanting outside.
Antiquity evidences include differential weathering,diffusive markings ( Compare with the horse head knife with single color diffusion, the multi-color diffusion of this jade may be the result of the process of bury in the ground more than once. For example, Hongshan jade has been found in the tomb of Fuhao in the Shang Dynasty.) The different color of diffusive marking resulting from different chemical provides a hint of the place the item unearth.) and exposed crystal planes, dissolved pits to prove its old age. With mastery workmanship, this artifact may be one of the the most beautiful large Hongshan jade knives.
本器刀把為龍首造型, 嘴部有喇叭狀孔, 刀格兩端則為鳳首造型, 刀背呈三個內彎新月型, 刀鋒厚實. 刀身表面向內凹陷, 邊緣向外傾斜. 本器之玉質為和田黃玉種, 全器滿布曝露晶面, 多處有蛀孔及差異風化, 古玉現象明顯. 本器系紅山文化類似形制中屬於大件精美者.