文章选取闽东代表方言福州话做深入剖析,分析该方言开口咍韵的读音类型,梳理出蟹摄开口咍韵读音的层次,再与闽东其他方言做深入比较,寻找方言间的层次对应,并且为每一层构拟读音,解释从闽东的原始方言到今各方言的音变,最后对闽东方言开口咍韵的层次做一总结。 The article chooses the Fuzhou dialect dialect of Fujian province as an example to make an in-depth analysis, analyzes the phonetic types of the opening rhyme of the dialect, sorts out the crab-opening rhyme pronunciations, then makes further comparisons with other dialects in eastern Fujian, And for each layer to simulate pronunciation, interpretation of the dialects from the original dialects of Mindong so far, and finally make a conclusion to the level of the opening of the eastern Fujian dialect.