Yi-shan (1190-1257)was born in Chin Dynasty and well-known in both Chin and Yuan Dynasties. Yuan was famous not only was born in the northern area of the Mainland China which embodied his character with chivalry. In addition, he grew up during a time filled with violent fights and continual wars among races; and sentimental, and he is of anti-war and anti-intrusion. "Critiques on 30 Poems" is a masterpiece of his creative thinking theory. Shih-tao Chen, a pote of Sung Dynasty, was considered as not onal a representative of one of three Chiang-lisi Poetry factions, but also an important critic of literature theory. In the 29th critique of "Critiques on 30 Poems,' Yuan criticized Chen's style. This article is trying to examine the process of chen's talent thinking and creative fulfilment and, further, to review if Yuan's critique on Chen is appropriate.File outline of this artical is as follows: I . Introduction: To introduce Yuan's life and works. II .The thought and characteristics of Yuan's "Critiques on 30 Poems": To praise the excellent tradition since Chien-an Period; to discard Chi, Liang, Hsi-Kun, and Chiang-hsi Poety factions; to enhance sincere, natual, elegant style; and to despise mimic, hypocrisy, facetious, and embarrassment. III.Chen's life and works: Chan is the representative of one of three Chiang-hsi Poetry factions and also an important critic of literature theory. IV .Critique on the "Critique on Shih-tao Chen by yi-shan Yuan": To start by categorizing the various views on "Critique on Chen by Yuan,"' and then to provide proper viewpoints based on the historical critiques on Chen.V .Conclusion: To examine the criticism method of "interpreting texts based on fragments, and to praise Yuan's efforts for the critique on Chen.