这里所说的玉璋,应该是广义的,包括文献记载的牙璋、赤璋、大璋、中璋、边璋等等。商晚期以前玉璋的基本形制是:扁平、狭长、有体和柄两部分,体和柄相接处带齿牙,顶端出刃,因此有学者也称其为“刀形端刃器”。二十世纪以来,陆续出土许多玉璋,主要集中在中国北方黄河流 Said Yu Zhang here, should be broad, including the teeth recorded in the literature, Red Cheung, big Zhang, Zhong Zhang, side and so on. Before the late Shang Zhang’s basic shape is: flat, long and narrow, with body and handle two parts, the body and the handle phase with teeth, the top of the blade, so some scholars also call it “knife-edge blade” . Since the twentieth century, many jades have been unearthed, mainly in the Yellow River in north China