Abstract: In the research on Chinese modern literature in overseas sinology, Guo Moruo is undoubtedly one of the most important research writers.Japan is an important place of Guo Moruo studies.The scholars in Japan carry out Guo Moruo studies regularly and firmly with academic activities, and publish journals of conferences so that their research arrive at a higher level.Either Chinese or Japanese scholars have their own advantages and disadvantages because they have different approaches to do their research.It is the diversity that brings better communications and mutual complementarities between scholars in China and Japan.