Han Han's " Three Doors " was a Chinese literary novel that told the story of a young student's life choices and difficulties as he grew up. The novel mainly narrated the three choices that the protagonist, Xiao Ming, faced in his growth: entering the Triple Door, leaving the Triple Door, and entering a new world. Entering the Triple Door meant that Xiaoming chose to enter a virtual world in order to escape from reality, where he could escape from his problems and worries. Leaving the Triple Door meant that Xiao Ming realized that he should face reality and choose to leave the Triple Door to return to the real world to face his own problems and challenges. Entering the new world in the end meant that Xiao Ming finally chose to accept reality and begin to welcome his future. Triple Door was regarded as a literary work that reflected the growth of young people in China. Through the description of the protagonist's fate, it reflected many problems and challenges faced by young people in modern society.