The primary objective of this thesis is to explore the relationship between the sound symbolisms of vowels through considering the phonological aspect of the "Laugher" onomatopoeia in Japanese and Chinese. The sentences were collected from the Japanese and Chinese corpora. Based on the corpora data, Japanese and Chinese share similar structures and pronunciation for the onomatopoeia of laughter, In Japanese, the voiced versions tend to describe a male laughter while the vowels /o/ and/u/ can be used to express a peal of refined feminine laughter, whereas Chinese prefer to use the vowels /i/ and /o/.
