The story of Ye Wenjie's sacrifice to save the earth and the trisomatics in " The Three-Body Problem " made people feel the selflessness and fearlessness of heroes. In Water Margins, Lin Chong sacrificed his life to protect his wife and brother, demonstrating his heroic responsibility and loyalty. In the Romance of the Three Kingdoms, Guan Yu did not hesitate to travel thousands of miles to save Liu Bei's son and sacrificed himself heroically. In "Dream of the Red Chamber", Jia Baoyu did not hesitate to separate from her in order to protect her and finally chose to leave for her happiness.