研究根据语法意义的不同，将庐江方言语气词分为三类：事态语气词、情态语气词与疑问语气词。庐江方言语气词特色鲜明，有四大特点：数量总体多于普通话，十分丰富；用于陈述句的语气词少于普通话中用于陈述句的语气词，说明庐江人民不常用平调表达感情，易采用有变化的升调或降调传递语气；语气词和语气之间并不是一一对应的，同一语气可以用不同语气词来表示，不同语气可以用同一语气词表示，具有很大的灵活性；语气词与其所在的江淮官话区保持较高的相似性，但是部分语气词较为独特，表现出相对的独立性。研究考察了部分庐江方言语气词来源，并指出了其语法化路径。

According to different grammatical meanings, modal particles in Lujiang dialect are divided into three categories: Event modal particles, attitudinal modal particles, and interrogative modal particles. The modal particles in Lujiang dialect have distinct characteristics, with four main features: the total number is more than that in Mandarin; the modal particles used in declarative sentences in Lujiang dialect are less than those in Mandarin, indicating that people in Lujiang do not like to express emotions in a flat tone, and are prone to use changing rising or falling tones to convey mood; there is not a one-to-one correspondence between modal particles and moods in Lujiang dialect. The same mood can be expressed by different modal particles, and different moods can be expressed by the same modal particle, showing great flexibility; the modal particles in Lujiang dialect maintain a high similarity with the Jianghuai Mandarin (the region in which Lujiang is located), but some modal particles are unique, showing relative independence. The origin of some modal particles in Lujiang dialect was examined, and their grammaticalization paths were pointed out.