历史上,东亚各国如日本、朝鲜、越南等受中国影响,铸钱也是中国式的方孔圆钱,以古代日本为例,就铸造了“和同开宝”“宽永通宝”等方孔圆钱。但就铸钱样式而言,日本江户幕府时期铸造的“天保通宝”等椭圆方孔钱,不仅被视为日本独有,并被认为在幕末日本历史进程中扮演了微妙的角色。本文概述日本历史上出现的椭圆方孔钱,旨在从一个侧面说明币制改革与经济形势发展的关系。一我们知道,当历史的脚步迈入 Historically, countries in East Asia such as Japan, North Korea and Vietnam have been affected by China. Casting money is also a Chinese-style square hole. In the case of ancient Japan, the “Yong Tongbao” “Square hole round money. However, as for the pattern of casting, the oval square hole money such as ”Tianbao Tongbao" molded during the Edo period in Japan was not only regarded as Japan’s uniqueness, but also considered as playing a delicate role in the historical process of Japan at the end of the curtain. This essay summarizes the oval square hole money that appeared in Japanese history, aiming to explain the relationship between currency reform and economic development. As we know, when history steps forward