印章最初是以实用的功能出现的,主要用作征信和祈语,其印文内容具有定式。随着后来文人对印章艺术功用的拓展,印文的内容便五彩缤纷,特别是一些闲章的印文充满了奇思异趣,令人拍手叫绝。有的幽默风趣。如清代郑板桥所用印章,内容丰富有趣,白话俗语、牢骚怪话皆可入印。其“七品官 The seal originally appeared as a practical function, mainly used for credit and prayer, and its printed contents were of a fixed form. As the literati later expanded the function of the seal art, the content of the seal was colorful. In particular, some seals of the seal were full of curiosities and wonders. Some humorous. As used in the Qing Dynasty Zheng Banqiao seal, rich and interesting content, vernacular saying, grudge blame can be printed. Its ”seven product officer