“深臻曾梗通”五摄舒声字读为前鼻尾韵是宁夏北部回民话由来已久的固有特点,但这种语音特点具有自身发展的不平衡性,同时也受到地理、社会环境的影响。本文对这种不平衡性的表现做了详细的调查与描写,并对宁夏回民话前鼻尾韵变迁的原因进行了尝试性的探讨。 “Wu Zhen Shu Sui Tong ” Wu Shu Shu voice reads as the first nose and tail rhyme is Ningxia North Hui dialect long-standing inherent characteristics, but this voice features with its own development is not balanced, but also by the geographical, The impact of social environment. This article does a detailed investigation and description of this imbalance performance, and makes a tentative discussion on the reasons for the vicissitudes of the nose song before the Hui nationality in Ningxia.