在古代中世纪有过四种世界通用语 ,即希腊语、拉丁语、汉语和阿拉伯语。本文简述了它们形成、发展、盛衰和嬗替的历史 ,分析了它们盛衰的原因 ,评价了它们作为世界通用语的历史地位、积极作用和深远影响 ,概括了四大语种在语言文字上的特点。并总结出世界通用语发展的五条规律 ;指出世界性大帝国与世界通用语之间既有必然的也有或然的关系 In the ancient Middle Ages, there were four universal languages, Greek, Latin, Chinese, and Arabic. This article briefly reviews the history of their formation, development, rise and fall, and their evolution. It analyzes the reasons for their rise and fall, assesses their historical status, positive role and far-reaching influence as universal linguistics. It summarizes the four languages’ Features. And summarizes the five rules of the development of universal language; points out the necessary and contingent relationship between the world-wide empire and the universal language