This paper is “A study on Sou Dongpo’s Epistles in『Guseosugan』centered on the periods of Huizhou and Danzhou”. This paper examined the Sou Dongpo’s life and characteristics of the disturbance faction through the period of Hyeju and Damju. During this period, the commotion encountered a great difficulty in his life's path, but wrote down his emotions and inspirations in the number of days, interacting with politicians and bureaucrats who feared and admired him, ordinary writers, and juniors. Through the ordeal, the commotion confided its heart to them, looked into the simple lives of the exiled natives, and could also see the strange scenery of the alien South. In the period of Hyeju and Damju, the commotional faction expressed anxiety and fear about its future in general amid hopeless screening, but if you savor the passage of the text, there is a strong will to live. How did the commotion overcome the hopeless situation without being pessimistic? In the midst of life, it says, "Parting and meeting always circulates, and anxiety and joy alternate with each other." come from recognition as It was because there was a view of life of the agitation faction that allowed them to see the world with a broader perspective. This paper has three characteristics of t...