纳西东巴经产生于不同的时代,它反映了各个时代的文化背景和语言文字现象。通过对早期经典《人类迁徙传略》和晚期经典《送情死者》比较研究,分析早晚期经典中假借字的异同,得出这样的结论:假借字数量与时代早晚有关,即时代早的经典,假借字数量少;时代晚的经典,假借字数量多。 Naxi Dongba produced in different times, it reflects the cultural background of each era and language phenomenon. Through the comparative study of the early classic “Human Migration” and the late classical “Delivered Dead”, this paper analyzes the similarities and differences between the early and late classical canonical words, and draws the conclusion that the number of the borrowed words is related to the time of the day, that is, the classic of the early era, The number of word-of-mouth is less; the classic of late-age, the number of borrowed words.