文章描写了余干方言入声韵尾类型,分析了各类型的语音性质及发声机制。玉亭话喉塞鼻尾受高、中元音影响喉塞进一步弱化,古埠、白马桥话喉塞鼻尾的喉塞已近乎消失。入声调因喉塞鼻尾而产生特殊调值,并随着喉塞进一步弱化、消失而变化。余干各方言从地域分布上展示了入声塞音韵尾逐步弱化成口塞鼻尾、喉塞鼻尾乃至喉塞将要消失只剩鼻音的演变过程。 The article describes Yugan dialect into phonetic end type, analyzes various types of phonetic properties and sounding mechanism. Yuting mouth throat plug by the end of the nose, the vowel effect of further weakening the throat, the old port, the bridge of the mouth of the White Horse throat plug nose gills almost disappeared. Into the tone due to the throat nose tail and produce a special tone, and with the further weakening of the throat, disappear and change. Yugan dialects from the geographical distribution of the inflatable plugs showed gradually attenuated into tail plug nose, nose and throat plug and even the gills will disappear only nasal evolution.