Brother and sister romance novels usually described the romantic love story between a young girl and an older boy. This kind of novel often involved emotional entanglements, psychological games, and life experiences. It made the readers feel that age was not the distance that love could overcome all obstacles. In the romance novels, the boy was usually more mature than the girl, and the girl liked to grow up with the boy. This kind of love relationship requires more patience and understanding because the difference in age and experience between the boy and the girl may cause some communication problems. The story of a brother-sister relationship usually involved a lot of complicated plots, such as two people gradually discovering each other's strengths and weaknesses, supporting and encouraging each other, and finally moving towards happiness. This kind of novel often involved the discussion of human nature, allowing the readers to feel the true meaning of love and the power of emotion. Of course, brother-sister romance novels were not suitable for all readers because everyone's understanding and pursuit of love were different. However, by reading these novels, we can understand the different forms and expressions of love, and we can also get some enlightenment and insights from life.