Kawabata Yasunari was a famous Japanese modern novelist. His works were deeply influenced by modern western literature. This influence was mainly reflected in the following aspects: 1. A reference to the modern world. Kawabata Yasunari used many modern techniques in his creation, such as the misplacement of time and space, symbolism and metaphor. These techniques were also widely used in modern western literature and had a profound impact on the development of modern western literature. 2. Drawing lessons from the theme and trend of thought of modern western literature. Kawabata Yasunari's works often involved modern topics such as the meaning of human existence, the status of women, and the relationship between individuals and the collective. At the same time, he also paid attention to the theme and trend of thought in modern western literature, such as realism, post-realism, cultural folklore, etc. The introduction of these elements made Kawabata Yasunari's works more international. 3. The translation and reference of modern western literature. Kawabata Yasunari's works were widely welcomed in Japan, but they were also translated all over the world. Some of the elements and techniques in his works had also received the attention and recognition of modern Western literature readers. Therefore, his works were widely accepted and appreciated by modern Western literature readers. To sum up, Kawabata Yasunari's works had a profound influence on modern western literature, which was mainly reflected in the reference of modern doctrine, theme and trend of thought, as well as the translation and reference of modern western literature.