The Old Man and the Sea was a long novel by Ernest Hemmingway, which told the story of an old Cuban-American fisherman, Santiago, and his big marlin. After many setbacks, he still persevered in his search for the legendary marlin. In the process of fighting with his big marlin, Sangtiago experienced many dangers and difficulties, but in the end he successfully caught the fish, but he also paid a high price for it. The novel explored the theme of tenacity, perseverance, frustration, and hope through the story of Santos.