本书在接触语言学、社会语言学、词汇学、词典学等理论的指导下，将汉语字母词语研究置于世界语言文字背景下，结合全球拉丁化浪潮和世界网络多语言文字时代，在明确字母词语的基本问题基础上，重点对字母词语的语体分布、历史演变、区域差异进行描写、归纳和分析，总结字母词语的共时和历时特征，发现共性规律和个性特点；结合实际进行词汇教学、词典编纂提供参考；基于共时和历时的思考，对字母词语的规范和汉化进行理论探讨，为预测字母词语的发展趋势和规范提供依据。

Under the guidance of contact linguistics, sociolinguistics, lexicology, lexicography and other theories, this book places the study of Chinese alphabet words in the background of world languages, combines the wave of global Latinization and the era of multilingual writing on the world network, and on the basis of clarifying the basic problems of alphabetic words, it focuses on depicting, summarizing and analyzing the stylistic distribution, historical evolution and regional differences of alphabetic words, summarizing the synchronic and diachronic characteristics of alphabetic words, and discovering common laws and personality characteristics. Provide reference for vocabulary teaching and lexicography based on actual practice; Based on synchronic and diachronic thinking, the norms and sinicization of alphabetic words are theoretically discussed, which provides a basis for predicting the development trend and norms of alphabetic words.（AI翻译）