The Yong'an dialect (Central Min: 永安事, Mandarin Chinese: 永安話) is a Central Min dialect spoken in Yong'an, Sanming in Western Fujian Province, China.
The Yong'an dialect has 17 initials, 41 rimes and 6 tones.
The initials of the Yong'an dialect are: The Yong'an dialect has a rich set of oral and nasal vowels, but allows only -m and -ŋ as a final consonant.
The tones are: The Yong'an dialect has extremely extensive tone sandhi rules: in an utterance, only the last syllable pronounced is not affected by the rules.
The two-syllable tonal sandhi rules are shown in the table below: