“否则”是现代汉语中比较常用的一个词语,它在语篇中主要起回指作用。考察发现,“否则”语段中前面小句主要限于祈使句、已然陈述句或已然、未然不定的推测陈述句等。这类句子通常带有特定的标记词语。文章最后就“否则”的语法性质作了简略的分析,认为将其看作“否定代词”更符合语言事实。 “Otherwise ” is one of the more commonly used words in modern Chinese, which mainly plays the role of anaphora in discourse. According to the investigation, the preceding clause in the phrase “Otherwise” is mainly confined to the imperative sentence, the already stated sentence or the already existing and unpredictable speculative statement. These types of sentences are usually marked with specific words. In the end, the article makes a brief analysis on the grammatical nature of “Otherwise ”, and regards it as “negative pronoun ” more in line with the fact of language.