根据口部形态特征,东周时期的铜簠可分为A型折沿和B型无沿两型,根据足部形态特征的不同可以分为八个次亚型以及不同的式。A型铜簠属于周文化系统,B型铜簠属于楚文化系统,它们时空分布格局的演化历程反映了东周时期周文化和楚文化此消彼长的历史过程。 According to the morphological characteristics of the mouth, the bronze medallions in the Eastern Zhou Dynasty can be divided into A-fold and B-type no-edge two types, according to different foot morphological characteristics can be divided into eight sub-subtypes and different types. Type A copper alloy belonged to Zhou culture system and Type B copper alloy belonged to Chu culture system. The evolution process of their spatial and temporal distribution reflects the historical process of the shift of Zhou culture and Chu culture during the Eastern Zhou Dynasty.