Fang Shigan is an author whose biographical details are extremely limited in publicly available sources: his dates of birth and death, native place, and official career are not clearly recorded. All that is currently known is that a single work, Donggui Riji (Diary of Returning East), is attributed to him, and it is the only title by him held in this collection. Judging from its title and its common classification, the book is usually grouped with works on Eastern philosophy or traditional literati writings, and it shows a style that interweaves travel observations with personal reflection. Diaries of this kind tend not to strive for elaborate rhetoric but instead record events day by day, embedding reflections on human affairs, scholarship, and the choices of public life and retirement within the account of a journey; they therefore have value both as historical material and as thought. Because verifiable facts about him are so scarce, discussion of Fang Shigan centers largely on this work, and readers who enter his world through the diary chiefly encounter the self-examining stance of a traditional literatus moving between travel and writing. Later understanding of him has thus remained largely at the level of an author linked to a single title.