The edo shogunate, which accumulated a lot of gold and silver, reformed the monetary system. Before the establishment of the shogunate, 160 1 year (evergreen 6 years), established the currency casting (small trial seat) and Ginza, and ordered evergreen gold and silver casting. The output of Jinshan Yinshan around the world has been boasted on several scales, from the output of the fifth-generation general Tokugawa Koichi to the accumulation and embellishment of gold and silver in Edo City. Then Yongle coins were imported to replace 1636 (kuanyong 13), and the base continued to cast and circulate domestic currencies such as kuanyong Bao Tong. However, high coins, East Japanese gold coins (clause) and West Japanese silver goods (Ding Yin) have basically become circulation, and that phase is changing every day, so financial industries such as mobile money changers have been developed. There are also a large number of currencies to choose from for transportation. In order to avoid transactions, bills were also developed. In addition, 1620 (Yuan and 6 years) was conducted from the world pioneer Tangdao futures trading in Osaka. With the need of economic development and the transportation of a large number of east and west capital, eloquence ships invaded the Japanese coast and made great contributions to the circulation of east and west capital in Hui Zhou. At the same time, after the end of eternity, gold and silver exports began to appear around Shangyin, the relative population gradually increased, and the expenditure of the shogunate increased, which led to financial difficulties. The reserve of Qianye Bank began, and the issuance of Luyuan Gold and Silver began in 1695 (8 years in Lu Yuan), with the acquisition of goods and the expansion of currency. 1772 (the first year of Ernst & Young) saw the gradual increase of silver goods in two units. 1837 (the eighth year of natural forest protection) saw the silver goods as Ding Yin, which was the monetary system of gold coins.