Currency, as the intermedia of the commodity exchange, is the symbol of wealth. Meanwhile, it is also the testimony for the development of society, economy, culture, science and technology. It is the perfect combination of culture and technology and has rich cultural connotation. Each piece of banknote or coin represents a period of history, and has a meaningful story. All kinds of currencies formed a precious book of cultural history.In order to give detailed understandings, this part shows the currencies in ancient and modern times, and expatiates their origin, usage condition at that time and their historic value.