汉语词汇“草根”和日语词汇“草の根”同源于英语“grassroots”一词。本文从词义分类以及固定搭配的角度对两词进行对比,得出两词在词义上相同,但用法上各有侧重的结论。日语“草の根”组词较为固定,并仅限于政治领域使用,而汉语“草根”组词灵活,使用范围不断扩大。 The Chinese word “grassroots” and the Japanese word “grass’s root ” are the same as English “grassroots ”. This article compares the two words from the perspective of the classification of meaning and the fixed collocation, and concludes that the two words are the same in meaning but have different emphases. Japanese “grass の root ” group term is relatively fixed, and limited to use in the political field, and Chinese “grassroots ” group of words flexible, expanding the use of.