How Steel Was Tempered was a Soviet novel by Nikolay Ostrovsky, first published in 1932. The novel was set in the 1917 Russian Revolution and narrated the growth of a young worker, Alexander Pavel Kochagin, in the midst of the revolution. The main character of the novel, Pavel Kochagin, was born into a worker's family and worked in the factory of his parents and brother. In his youth, he showed extraordinary talent and diligence and was sent to the Academy of Literature and Sciences in Moscow to study. At school, he made many friends and began to come into contact with Bolshevist ideas. After graduation, Pavel Kochagin entered the steel factory and became a young worker. In the factory, he encountered many difficulties and challenges, but through hard work and self-study, he gradually grew into an excellent steel worker. He also made friends with many like-minded colleagues and worked together with them to strive for a better job and life. During the revolution, Pavel Kochagin actively participated in the workers 'movement and revolutionary struggle. He experienced many dangers and difficulties, but he still firmly believed in the idea of Communism and the cause of revolution, and eventually became an outstanding revolutionary and political leader. "How Steel Was Tempered" used the growth of Pavel Kochagin as the main line to describe the beliefs and struggles of a worker revolutionary. It profoundly reflected the social and political reality of the Soviet era and became a classic in Soviet literature.