圭和璧是我国古代玉器中最重要的礼器。古人认为,在祭祀天地神灵时,这两种器物能超脱自然,同祖先神灵相通。据《周礼·春官·大宗伯》记载,“以玉作六器,以礼天地四方”,其中“以苍璧礼天”,“以青圭礼东方”。圭和璧还是古代标志诸侯爵位等级的瑞器。在周代,周天子称王,为最高等 Kyi and Bi is the most important ancient earthenware in China. The ancients believed that when worshiping heaven and earth, these two kinds of artifacts can transcend nature and communicate with gods and ancestors. According to “Zhou Chun official Zong Zongbo” records, “jade for the six devices, to courtesy world”, of which “Cangbi courtesy”, “Qing courtesy Oriental.” Kyu and Bi or the ancient symbol of the rank of princes Rui device. In the Zhou dynasty, the son of King Zhou, the highest