This dissertation, under the giude of dialectic and historical materilism, according to materials of history and archeology, manages to further research some difficult and uncertain questions:firstly, the question on the number of Wuzhu money in Han dynasty;secondly, the question on coin foundry of privacy ;thirdly ,the question on.

From 1960’,several groups of coin patterns have been unearthed at Wancheng site in Nanyang,which reflect the development of the casting coin technique at Nanyang county of Han dynasty.

However,the time of census register and money casting bureau are the 2nd year and the time of salt industry is the 1st or 2nd year of Yuanfeng.

The Qianlü of Han bamboo slips reflex two systems of accusation and punishment for being related or friendly with somebody who has been convicted of an offense in pirated coinage of Han dynasty.