What's the difference between philosophy, geography and literature?

Philosophical geography and literature are different disciplines, and the research topics and methods are very different.

Philosophical geography: Philosophical geography is a subject that studies the relationship between man and geographical environment. It studies human's understanding, values and behavior of geographical environment and the relationship between human and geographical environment.

Literature: Literature is the subject of studying texts and literary works. It studies the language, form, content and meaning of literary works, and the relationship between characters, plots, themes and structures in works.

Therefore, philosophical geography and literature are very different in content, research methods and themes, and belong to different disciplines.