Khaled Hosseini is one of the most promising novelists in contemporary American literature. The Kite Runner, Hosseini’s debut work, has attracted increasingly critical attention from both literary critics and the common readers. The novel unfolds around Amir’s memory about his childhood playmate Hassan, and narrates the life story of Amir from adolescence to adulthood, incorporating into the text the social turbulence of Afghanistan from the 1970s to the 21st century. The novel demonstrates a complicated network of identities and foregrounds Amir’s confusion hereby. The paper explores Amir’s negotiation and mediation among racial, cultural forces during his search for a unified, solid identity, and probes into Hosseini’s identity politics. Key words: Khaled Hosseini; The Kite Runner; identity politics; cosmopolitanism卡勒德·胡赛