"How Steel Was Tempered" is a novel written by the former Soviet writer Nikolai Ostrovsky, written in 1933. This is a novel that shines with lofty idealism. By describing the growth path of Paul Korchagin, the novel tells people that only when a person defeats the enemy and himself in the hardships of the revolution, and only when he connects his pursuit with the interests of the motherland and the people, can he create miracles and grow into a steel warrior.