《说文解字》是我国语言学史上的经典巨著,也是第一部系统地分析汉字字形和考究字源的字书。它开创了汉字部首检字的先河,后世的字典大多采用这一传统方式。段玉裁称这部书“此前古未有之书,许君之所独创”(《说文解字注》)。那么,它为什么要命名为《说文解字》呢?“文”和“字”又有什么区别呢? “Shuo Wen Jie Zi” is a classic monograph in the history of linguistics in China. It is also the first book that systematically analyzes Chinese glyphs and well-known etymology. It pioneered the first Chinese word check, the majority of later dictionaries using this traditional way. Duan Yu said the book “before the book has never been ancient, Xu Jun of the original” (“Explain Word Note”). So, why did it name it “Shuo Wen Jie Zi”? What is the difference between “Wen” and “”?