Youth literature novels usually described the growth, emotions, dreams, etc. of young people, so they were very popular among readers for the following reasons: 1. Close to the reader's psychology: Youth literature novels usually describe the lives and emotions of young people, which can resonate with the readers and make them feel their youth. 2. Show the beauty of youth: Youth is a wonderful time. Youth literature novels show the beauty and unforgettable youth through describing the growth and experiences of young people, allowing readers to feel the charm of youth. 3. Emotional expression: Youth literature novels usually describe the emotional entanglements of young people, including love, friendship, kinship, etc., so that readers can feel the power and beauty of emotions. 4. The plot is attractive: The plot of youth literature novels is usually attractive, full of suspense and surprises, which can attract the attention of readers and immerse them in the story of the novel. 5. Enlightening meaning: Youth literature novels usually enlighten readers about life, growth, love and other aspects. It can help readers reflect on their own lives and experiences and give them enlightenment and guidance. Therefore, the main reason why youth literature novels were popular was that they could be close to the reader's psychology, show the beauty of youth, express emotions, and have attractive storylines and inspirations.