贝币在我国远古时期,大约在四五千年前的原始社会,因为生产力低下,物质极不丰富,所以一个部落或者一个家庭,还没有多少剩余产品可以用来交换其他急需的用品,部落或家庭之间偶尔发生的交换活动也只是以物易物,当时根本没有货币也不需要货币。随着生产力的发展和社会的进步,社会物质财富也相对丰富了,人们物质生活中的需求不断的扩大,以物易物的交换方式已经越来越不适应社会生活的需要了,于是人们便把贝壳作为交换的中介物,在新石器 In ancient times in our country, the primordial society about four to five years ago, because of its low productivity and its extremely low material abundance, a tribe or family could not yet have enough surplus products to be exchanged for other much-needed supplies. Tribal or The occasional exchange between families is also barter, when there was no money at all and no currency needed. With the development of productive forces and social progress, the material wealth of society is also relatively abundant. The demand in people’s material life is constantly expanding, and the exchange of barter has become increasingly unsuited to the needs of social life. The shell as an exchange medium, in the Neolithic