Based on the practical investigation with geographical linguistic method, this paper studies the phonetic feature of haoyaoyun of Chuzhou dialects as Wu dialects from historical stratum.

• 摘要通过实地调查，运用地理语言学的研究方法，平面揭示吴语处州方言豪、肴二韵的语音特点，并对其历史层次进行分析。