日语外来语是日语词汇的重要组成部分。本文从词形、词义、词性等方面对日语外来语的本土化进行了考察。并从语言特点和文化内涵方面阐明日语外来语本土化的原因。随着时代的发展和与世界交流的日益扩大,不同国家和不同民族的人们,在跨语言跨文化交际的过程中,语言间的相互借用是一个很普遍的现象。日本是一个重视吸收外来文化和事物的国家。尤其在近现代,随着世界全球化进程的推进,出现了许多新奇的技术、事物和观念、文化,这些都不 Japanese loanwords are an important part of Japanese vocabulary. This article examines the localization of Japanese loanwords from the aspects of shape, meaning and part of speech. And clarifies the reasons for the localization of Japanese loanwords from the aspects of language characteristics and cultural connotation. With the development of the times and the ever-expanding exchange with the rest of the world, people in different countries and nations have a very common phenomenon of inter-language borrowing in the process of cross-cultural intercultural communication. Japan is a country that values ​​foreign cultures and things. Especially in the modern era, with the progress of the globalization of the world, many new technologies, things, concepts and cultures have emerged