训诂学旧属小学。黄侃(季刚)先生说:“小学者,中国语言文字之学也。”(见《文字声韵训诂笔记》)前人把小学分为文字、音韵,训诂三门,各有自己的研究对象和范围:文字重形,音韵重声,训诂重义。但在实际上,三科却往往有交叉。以《说文解字》为代表的字书,每字下先释其义,再析其形。如一上一部:“元,始也。从一从兀”。分析字形又往往是为了说明字义。如二上口部:“右,助也。从口从又。”段玉裁注曰:“又者,手也。手不足,以口助之,故曰助也。”以《广韵》为 Excuse me old school is a primary school. Huang Kan (Ji Gang) said: “The primary school, the Chinese language and the language of the study also.” (See “Voice rhyme training notes”) The predecessor is divided into primary school text, phonology, exegesis three, each with its own research object And range: heavy text, phonological heavy sound, exegesis heavy meaning. But in fact, there are often three subjects cross. The “Shuo Wen Jie Zi” as the representative of the word book, under each word explain its meaning, and then analyze its shape. As one on a: “Yuan, beginning also from a Wu.” Analysis of glyphs is often intended to illustrate the meaning. Such as the second upper mouth department: “right, help also from the mouth and again.” Duan Yu cut note said: “Also, the hand is also inadequate hand to help the mouth, it said.” To “Guangyun” for