(1) They visited different areas of the frontier fortress. Gao Shi's frontier poems mainly describe the garrison in Northeast China (that is, Zhao Yan), and Zhao Yan is a familiar place, so Gao Shi rarely describes the scenery of Zhao Yan in his works; Cen Can's brushwork extends to the magnificent mountains and rivers in northwest Xinjiang that China has never been to in the history of poetry.
(2) Their personalities are different. Gao Shi was young and lonely, not involved in production, poor family, wandering around, forming an open and uninhibited character. His personality adds courage, strength and boldness to his poems, and also lays the main foundation for his poetic style of "emphasizing quality management". For example, in xing's creation, the author is rational and calm in desolation and desolation, and sees desolation in generosity and boldness; Born in an official family and a scholarly family, he studied poetry in his early years, forming a beautiful style, such as "If the spring breeze comes, the night will bloom with ten thousand pears" in Snow White's Farewell to Wu's Home.