Wu Wu dialect; late Qing Dynasty; interpretation on The Sacred Edict; function words; colloquial words dialect translation of The Sacred Edict was written in colloquial and dialectal Chinese. Function words in the book reflected the lexical and grammatical features in Wu dialect during late Qing Dynasty, including prepositions (ex. Da), modal particles (Lao), negative words (Fu, Wu), etc. This article explores these features through the comparative analysis of the other two editions. Based on the depictions and discussions of function words, the paper provides evidence and supplements for studies on the function words of Wu dialect in the late Qing period.