外来词是一种文化现象，它记载着从古至今中外文化交流的历史，反映着中外文化交流的深度和广度。外来词又是一种语言现象，来自不同年代，不同文化的外来词，既有意义上的不同，也有借入方式的差异。本文将从外来词的历史进程，外来词的类型，外来词的影响，外来词的汉化及规范等几个方面对汉语外来词进行研究，以期得出一个适合各阶段学习者理解的较为清晰的分析结果。

Chinese loanwords, which record the history of cultural communications between China and foreign countries in all ages, and reflect the communications’ depths and scopes, are a kind of cultural phenomenon. Meanwhile, they are also a kind of lingual phenomenon. Loanwords from different ages and cultures, differ in not only their meanings, but also their ways of being borrowed. This comprehensive study of Chinese loanwords, from the perspectives of their historical processes, types, impacts, chinesization and standardization, tries to reach an unambiguous analysis result, which will be fit for learners of all levels to understand.