叠文是汉字体系中一类特殊字体,它的起源较早,自甲骨文时期就存在,至今仍被使用。最完整、系统地收录叠文的专书就是东汉许慎的《说文解字》。其中叠文可以分为二体叠文、三体叠文、四体叠文。以《说文解字》中出现的三体叠文为研究对象,分析其特殊的结构类型、表意功能等方面的特点,从而揭示叠文在整个文字系统中的特殊性。 Stack of text is a type of special font in the Chinese system, its origins earlier, since the Oracle period exists, is still being used. The most complete and systematic collection of books is the Encyclopedia of Eastern Han Xu Shen’s “Explain Word.” One stack can be divided into two stacks, stacks, stacks. Taking the tristimulus appeared in Shuowen Jiezi as the object of study, this paper analyzes the characteristics of its special structure type and ideographic function, so as to reveal the particularity of the overlapping essay in the whole writing system.