The study in this article focuses on the cultural meaning of onomatopoeic words in the Kazakh and Chinese languages. The main objective of this article is to conduct a comparative analysis of onomatopoeic words in these languages. The study emphasizes the key role of onomatopoeic words in the considered cultures. Within the framework of this study, the phonetic system and its influence on the use of onomatopoeic words in the Kazakh and Chinese languages were studied, as well as the cultural context, which plays a significant role in the formation and use of onomatopoeic words. Scientific and practical significance - provides valuable information about the cultural meaning of onomatopoeic words and contributes to an expanded understanding of linguistic and cultural diversity, which shows different uses of such words. The main research methods were corpus and diachronic analysis of onomatopoeia; genre-functional analysis of texts; systemic lexicographic and cultural comparative analysis; method of selection and verification of linguistic sources; complex comparative linguistic analysis, including phonetic and semantic-pragmatic interpretation. As a result of the study, it was concluded that onomatopoeic words in the Kazakh and Chinese languages have much in common, which confirms their universality in these cultures. They play an important role in cultural expression, reflecting the unique values of each culture. The theoretical significance of the study lies in its contribution to linguistics, deepening the understanding of the role of onomatopoeic words in language development and learning, as well as the influence of the phonetic and written systems on their formation. The practical significance lies in improving intercultural communication and mutual understanding between Kazakhstan and China through a better understanding of cultural values and the context of language use, which will help to avoid misunderstandings.