有清一代,随着人口的增加、经济的发展,对于货币的需要剧增。铜钱的铸造从清军入关之初就一直不断。而云南省作为中国当时最重要的银、铜等货币金属产地,得到了清王朝的高度重视。从康熙二十一年(1682年)开始,云南就执行了和全国其他地区矿禁相异的鼓励铜矿、银矿开采的政策~①。但是,清王朝早期的铸币铜材,主要来源于日本。在18世纪初期日本限制铜的出口以后,云南铜成为全国最主要的铜铸币原料来源。每年 There is a generation, with the increase of population, economic development, the demand for money soars. Casting of coins from the beginning of the Qing army has been constant. Yunnan Province, as China was the most important silver, copper and other currency metal origin, has been the Qing Dynasty attaches great importance. From the twenty-first year of Kangxi (1682), Yunnan implemented the policy of encouraging copper mines and silver mines that are different from the rest of the country. However, the early Qing Dynasty coinage copper, mainly from Japan. After Japan restricted copper exports in the early 18th century, Yunnan Copper became the country’s leading source of copper coinage. Per year