By taking Japanese kanji words of The Japanese-Language Proficiency Test level4 as the research objects,the thesis is aimed to examine the usage of Japanese kanji words between multinational Japanese learners on the basis of analyzing,organizing and summarizing a great quantity of spoken corpus in International Corpus of Japanese As a Second Language.The research turns out that multinational Japanese learners has their own characteristics in the usage of Japanese kanji words.All the conclusion is drawn by the SPSS cluster analysis.First,although the research objects are level4 basic vocabulary,there are still differences between learners and native speakers in terms of usage of quantity,and learners have their own inter language phonology.Then,in terms of the frequency of usage of Japanese kanji words and the classification of survey location,the intimacy of Chinese characters such as “Chinese characters circle”and “non Chinese characters circle”and the geographical distance such as “Asian circle”and “Europe and America circle”are related to the classification of survey location to some extend.Finally,through the frequency of usage of Japanese kanji words and the classification of these words,the conclusion is drawn that the third and second categories are frequently used and the part of speech has little influence on the classification.