In this article, we will try to describe the interdependence of language and culture in the analysis of the linguoculturological aspects of Uzbek and Japanese proverbs, consider thematically similar aspects of proverbs in Uzbek and Japanese, and take a deeper approach to such issues as mentality and expression of a national character in them. Language is the most important factor in expressing the culture, values and beliefs of each nation, the specific aspects of the people in general.