The most touching characters and stories in How Steel Was Tempered were Ostrovsky and his good friend Paul Kochakin. Ostrovsky created a strong, brave and faithful image in the novel. His protagonist, Paul Kochakin, was also an excellent revolutionary. In the novel, Ostrovsky described Kochagin's arduous labor in the process of the Soviet Union's industrialization and the mental journey of him and other revolutions fighting for the cause of revolution. These descriptions made the readers deeply feel the hardships and greatness of the revolution. In addition, there are many touching stories in the novel, such as the friendship between Kochagin and Ostrovsky and the story of them risking their lives to escape to Pole to help a little girl. These stories embodied the selflessness and courage of the revolutionary, and made the readers deeply feel the value of the revolutionary spirit and humanism. In short, the most touching characters and stories in How Steel Was Tempered are Ostrovsky and his good friend Paul Kochakin. Their images and stories represent the courage and selflessness of the revolutionary and deeply touched me.