" Hello, Lee Hwan-Ying " was a novel that described the story of the 1980s. It described the experiences of a young girl, Lee Hwan-Ying, as she grew up and the emotional entanglement between her and her father. The novel was very popular on the internet for the following reasons: 1. Close to the life of young people: The plot and characters in the novel are close to the life of the 1980s, including social background, ideology, lifestyle, etc., which can attract the interest and attention of young people. 2. Emotional resonance: The novel described the emotional entanglement between Lee Huanying and his father, as well as his understanding of family and kinship, which could arouse the emotional resonance of young people and make them feel warm and moved. 3. An innovative story structure: The unique story structure in the novel presents a complete story through multiple perspectives, allowing the reader to deeply understand the plot and character. 4. Exquisite picture sense: The description in the novel is full of imagination and beauty. For example, the scene of Lee Hwan-young reading on the beach and the scene of Lee Hwan-ying and his father walking in the park can attract young people's interest in literature and art. The reason why Hello Lee Huanying was so popular was that it could get close to the lives of young people and trigger their emotional resonance. At the same time, it could let readers feel the unique charm of the 1980s through the innovative story structure and exquisite graphics.