John Updike's Terrorist is an important piece of post‐9/11 literary works. The novel tells the story of Ahmad, the protagonist, who becomes a terrorist but abandons the terrorist attack at the last moment. Using Fromm's alienation theory as a research perspective, this paper analyses Ahmad's growth from alienation to restoration, explores reasons for Ahmad's alienation into a terrorist, and concludes that love and care play an important role in dissolving alienation and helping the protagonist to restoration.