《说文解字》是一部据形系联的字书。许慎在《说文·句部》中“句”声字的系联，明显是一反据形系联体例的，显现出他的探源思想。本文罗列《说文》中散居在各部中的“句”声字，加以考释。在25个“句”声字中，据分析，有11个字含有“圆曲”义，有3个含有“少小”义，其余的字的语义则看 “Shuowen Jiezi” is a text-linked series of textbooks. Xu Shen in the “Department of sentence” in the “sentence ” sound system, obviously the opposite form according to the system, showing his source of exploration. This article lists the “” sentence in the “Said the text” scattered in various ministries, to test. In the 25 “sentence ” sounds, it is analyzed that 11 words contain “round song ” meaning, 3 contain “little ” meaning, the rest of the word semantics look