When writing fantasy novels, one would often encounter problems with setting the characters and setting. The setting of the characters needed to take into account their appearance, personality, ability, background, etc. The setting of the scene needed to take into account the terrain, climate, environment, historical background, etc. When setting up characters and scenes, you need to pay attention to avoid some common problems such as being too detailed or too brief, unrealistic or too fantastical. At the same time, he had to pay attention to the plot and the logic of the story so that the readers could better understand and accept the content of the novel.