文字统一是一个民族社会发展的需要，是一个民族经济、文化发展的标志。本 文就滇东北方言内现在仍然使用的三种文字进行对比，论述了滇东北方言苗文统一的目的，条 件，说明滇东北方言苗文应走拼音化道路，向其他几个方言的文字靠拢，并进一步促进苗文的 统一。 The unification of words is the need of the development of a national society and a symbol of the economic and cultural development of a nation. This article compares the three languages ​​that are still used in dialects of northeastern Yunnan and discusses the purposes and conditions for the reunification of the spoken and written Chinese in northeastern Yunnan. It shows that the northeastern and southern Yunnan dialects should take the phonetic path and move closer to other dialects. And further promote the unity of the seedlings.