Abstract
Living as a mid-hermit signifies an important turning point of Chinese traditional ideology on hermits . It is a compromise between the big hermit and the small hermit . This thesis tries to anaylze the changes and developments of ideology of BA I Ju-yi in his later time from his works completed during the The Mid- hermit .Principle and philosophy of his life have produced an enormous impact on men of letters after him , especially tho se in the Song Dynasty.
Keywords：BAIJu-yi；Mid-hermit；Lifeexperience；Literarystyle
