本文搜集了《孟子》西夏译本中的108个译音词,包括人名、地名、河流名、官名、国名、朝代名、学派名等,剔除重复部分,共得140条夏汉对音字材料。依据这批珍贵的语音材料,对宋代汉语西北方音声母的分合情形与韵尾问题作了简单的考述。 This paper collects 108 transliteration words in the translation of the Western version of Mencius, including names, place names, river names, official names, country names, names of dynasties and school names, excluding duplicates and obtaining 140 summer Chinese phonetic transcriptions. Based on these valuable phonetic materials, this paper makes a simple examination of the subordinate situation and ending of the consonants in northwestern Chinese Song Dynasty.