本文以“尔许”的溯源为主纲,兼论中古其他几个指别代词。全文共分四个部分:一是评述已有关于“尔许”来源的观点;二是论证“尔许”的源头是“尔所”;三是论述“尔所”形成的两种可能;四是概括的四点小结。因为研究古代汉语无法像现代汉语那样有现成的语感可资利用,为弥补这点不足,文中主要运用了对译的材料、对比的方法。 This article is based on the traceability of “Er Xu ”, and on the other several references to other pronouns in the Middle Ages. The full text divides into four parts altogether: One is to comment on the existing opinions on the source of “Er Xu”; the other is to prove that “Er Xu” "The formation of two possibilities; Fourth, a summary of the four summary. Because the study of ancient Chinese can not be readily available as the modern Chinese language sense can be used to make up for this deficiency, the text mainly uses the translation of the material, the method of comparison.