How Steel Was Tempered is a novel written by Ostrovsky of the Soviet Union, which reflects the experience of a worker's family in the process of the Soviet Union's industrialization. It tells the story of the protagonist, Pavel Kochagin, who grew up from an ordinary worker's family in the Soviet Union during the industrial revolution and became a revolutionary and builder through continuous efforts and self-revolution. The story of the novel took place in 1918, when the Soviet Union was undergoing industrial construction. Kochagin's family worked in a small factory. They lived in a poor rural town. Kochagin worked in the factory, but because of his excellent academic performance, he also joined the school's art group. During this period, the Soviet Union was promoting the labor revolution and the industrial revolution in order to achieve industrialization and modernisation. Kochagin's family had experienced many difficulties, but they never gave up their pursuit of a better life. In the factory, Kochagin and his colleagues worked together to constantly improve their working ability and technical level. He also participated in the cultural activities in the factory to show his yearning and pursuit for a better life. However, due to the political and social environment at that time, Kochagin and his family faced great difficulties and challenges. In the process of industrial construction, Kochagin gradually realized his identity and mission. He joined the party and learned about revolutionary theories through various means. He also left the factory to join the revolutionary struggle. In the war, Kochagin experienced all kinds of difficulties and challenges, but he always adhered to his beliefs and principles and finally became a revolutionary and builder. Through the experiences of the protagonist, Pavel Kochagin, the novel reflects the social reality and people's lives during the industrial revolution of the Soviet Union, demonstrating the strength and courage of the people's revolution and self-revolution.