As the first African American woman winner of the Nobel Prize for literature,Toni Morrison is the most outstanding African-American woman author of the 20th century and the brightest star in contemporary African-American literary arena.Toni Morrison is a voluminous writer and she has published nine novels up to the present.Since 1980,her works have been getting more and more widespread attention from literary critics of the world since 1980s.The topic of postcolonialism has been the one of the focuses of Morrison' s novels.This paper is a literature review of Toni Morrison and postcolonialism in her works including the following points:a brief introduction to Morrison and her works,the research on Morrison,the post colonial theory and postcolonialism in Morrison' s works.