宋代官印制度略论

中国古代官印制度发展到宋代，已十分成熟和完备。国家设置了专门的铸印机构──少府监和文思院，并且制定了诸如牌印制度、知印制度等严密的管理措施，在官印的形制上，背款的出现和叠篆的使用，为以后金元各代所沿袭，影响深远。

On the Official Seals System of Song Dynasty

In Song Dynasty,the offi cial seals system had been very mature a f ter a long process of development Shaof ujian and Wensiyuan are the special inst itutions in charge of the casting of sea ls,some regular rules were adopted,and t he new inventions of putting designs on the back of seals and the application of double characters,were continually used by the late times,and have important in fluences on the developments on the seal s system