How Steel Was Tempered was a novel written by Ostrovsky of the Soviet Union, which reflected the growth of a worker's family in the process of the Soviet Union's industrialization. It mainly described the struggle and growth of the protagonist, Pavel Kochagin, in the wave of industrialization. The following is the main content of each chapter: Family Origins and Childhoods This chapter tells the family background and childhood life of Pavel Kochagin. Kochagin's father was a steel worker. He worked hard but was also ostracized and oppressed by his colleagues and superiors. This chapter also introduced Kochagin's childhood hobbies and interests such as painting and reading. Entering the Factory and School This chapter tells the story of Pavel Kochagin's experience working in the steel factory and his learning and growth in the factory. Kochagin met some like-minded colleagues in the factory. They worked hard together and learned various skills and knowledge. Revolutionary Movement and Shaping of Worldview This chapter tells the story of Pavel Kochagin's shaping of the revolutionary movement and worldview. He began to come into contact with the ideas of the revolution and gradually realized the importance of industrialisation and the sufferings of the workers. Workplace and Life Dilemma This chapter tells the story of Pavel Kochagin's workplace and life in the steel factory. Kochagin faced pressure from work and difficulties in his personal life, but he gradually overcame these difficulties through continuous efforts and persistence. Love and Self-Transcendence This chapter is about Pavel Kochagin's thoughts on love and self-transcendence. Kochagin met a beautiful and kind girl, Nora, and their relationship gradually deepened. At the same time, Kochagin gradually overcame his own difficulties and grew into a stronger and more confident person.