This thesis explores the issue of exclusion in Toni Morrison’s seventh novel, Paradise. Different from previous critics’ focus on ideological aspects, including race, gender, and politics, I examine the novel’s issue of exclusion from Julia Kristeva’s psychoanalytic perspective, including her theoretical notions such as abjection and herethics. The first chapter serves as the survey of key concepts in Kristeva’s framework. These theoretical notions are abjection, herethics, and the semiotic. And finally, I explore the role of art and literature relating to these theoretical concepts. In the second chapter, I apply Kristeva’s notion of abjection to analyze the problem of the novel’s central community: Ruby. I argue that Kristeva’s abjection presents the importance of exclusive practice in the identity formation of the individual, the society, and the nation. Furthermore, she gives us innovative insight that what is excluded by the subject never stops haunting. I demonstrate how the symbolic represses and excludes the racial and sexual other in the novel. In the end, I argue that though the experience of abjection is necessary in the town’s members’ subject formation, their rigid observance of racist and sexist principles leads the town into collapse. In the third chapter, I argue that the town’s neighboring community, the Convent, is under the reign of the maternal. Contrary to Ruby’s observance of patriarchy, the emphasis of the maternal in the Convent emancipates the residents from their traumatized past. Moreover, the women in the Convent practice a kind of maternal ethics that demands one to respect the abject other, be it psychological alterity, such as the corporeal, or a social other, such as a foreigner. Morrison’s emphasis of the maternal resonates with Kristeva’s maternal ethics, herethics.To explain the effect of this maternal principle, I apply Kristeva’s theoretical notion of herethics and semiotic to illustrate the benefit of such administration based on motherhood. In the end, I argue that the women’s practice of herethics enables them to cure past wounds.