本文从语音生态学角度出发，选取江苏南通方言地区人们的普通话为研究对象，利用BLP (Bi-lingual Language Profile)问卷的科学计算方法分析了当地人普通话语音习得的语音生态背景。同时，结合听辨实验和发声分析，探讨了江苏南通方言地区普通话语音的发声特点，归纳出反映该方言地区普通话语音面貌的发声偏误类型及声学特征，为方言地区学习者普通话的研究与分析提供了一种新的研究视角。

This article focuses on such kind of dialect mandarin in Nantong, Jiangsu province. By combining the research methods and theories of Social Linguistics, Experimental Phonetics, Inter-language and so on, through the questionnaire survey to local residents, phonetic acquisition and acoustic analysis, we try to summarize the situ-ation of dialect and mandarin, and make detailed description and analysis of the universal law of mandarin pronunciation in Nantong, Jiangsu province, so as to enrich the language research material about Jiangsu region and help with the dialect mandarin study and mandarin promotion.