“俗字”是日常习俗用字,具有时代性,且浅显易懂。《说文解字》中,大小徐按语所注俗字数量和字例有同有异,既具有独立研究的价值,又具有比较研究的价值。从中可以把握正篆与俗字之间的构形特点、俗字的类型,以及二人的俗字观。大小徐所注“俗字”富有独特性,具有理据清晰的特点,对考形、考音、考义,乃至汉字简化和规范都有一定借鉴。 “Vulgar characters ” is a word used daily, with the times, and easy to understand. In “Shuo Wen Jie Zi”, the size and the size of the vulgar words in the size of the Xu language are similar and different, which not only has the value of independent research but also has the comparative research value. From which you can grasp the shape features between Zhengzhuan and folk characters, the type of folk characters, and the two folk characters. The size of the Xu Note “vulgar characters ” full of uniqueness, with clear grounds for the characteristics of the test form, test sound, test meaning, as well as simplified and standardized Chinese have some reference.