北宋铜钱、铁钱，工商业持续发展，货币的需求量大为增加，北宋政府每年铸钱在500万贯以上，相当于唐代每年的铸钱的20倍。当时多数地区流通铜钱，仅四川地区使用铁钱。宋钱以年号钱为主，约50多种。
With the continuous development of industry and commerce, the demand for money increased greatly. The government of Northern Song dynasty minted more than 500 million coins every year, which was 20 times the amount minted in Tang dynasty. At that time, copper coins were in circulation in most areas, while iron coins were used only in Sichuan. Song money to years of money-based, about 50 kinds.
北宋时的钱币存在着三大特点。一，钱文中出现了年号，先后铸行的年号有四十五种，版别之多为历代所罕见。二，货币流通具有地方性，有些区域铜铁钱兼用，显示了一种割据的局面。三，钱币的形态、钱文书体以及币材呈现多多样性，南宋孝宗淳熙七年起我背开始添铸纪年和监名且书体渐趋单一，咸淳年间为了应付通货膨胀产生的财政因难铸行了地方上的代有币“钱牌”。
There were three characteristics of money in the Northern Song dynasty. There are forty-five kinds of year numbers in Qian Wen, which are rare in the past dynasties. Second, the currency circulation has the localization, some regions copper and iron money dual use, has demonstrated one kind of separation of powers situation. Third, the forms, writing styles and materials of coins are various. Since the seventh year of Chunxi, the Emperor Xiaozong of the Southern Song dynasty, I began to add the date and the name of the prison on my back, and the writing style became more and more simple, xianchun years in order to deal with the financial problems caused by inflation on the local coin“Coin card.”.
