Abstract: The manuscript of Shu Yi, the literature of Shu in Li dynasty of Korea, is now preserved in Korean Kyujanggak. Although it aimed originally at preparing for exams of Confucian classics commentaries in imperial civil examinations, it still presents a distinctive academic significance. First, it shows the rationalization in Korean researches on Shang Shu. Second, it demonstrates comprehensively the political ethics of Korean dynasty. Third, it enriches and enhances the commentaries of Shu Ji Zhuan. Besides, the author of Shu Yi is inscribed as Ding Ruoyong. However, the academia generally takes it as a pseudograph. According to the analysis of the nature of Shu Yi and Ding Ruoyong’s experience in studying Shu, there are some problems in the academic circles’justification for judging Shu Yi as a fake. The author of Shu Yi should be some student who studied at Sungkyunkwan for the great exams, just like Ding Ruoyong.  

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