Imagination and blankness in the description of characters are important skills in novel creation, which can help readers better understand and feel the plot and characters in the novel. Imagination in character description refers to the description of the psychology, thoughts, emotions, etc. of the characters in the novel, so that the readers can have a deeper and unique understanding of the setting and image of the characters through fiction or exaggeration. This kind of imagination could be realized through the metaphor, hint, or metaphor in the character's dialogue, or it could be displayed through the character's actions and decisions. By imagining the characters in the novel, the readers could understand and feel the plot better. The technique of leaving white space referred to leaving some plot or details blank in the novel for the reader to fill in through imagination and thought. This technique could make the novel more imaginative and creative, and at the same time, it could also help the readers better understand the theme and emotions of the novel. White space could be used to hint or guide the reader's imagination through the description of the characters or plot, or it could be used to let the reader imagine the theme and emotions of the novel. It is very important to use imagination and blank space in character description in novel creation. It can help readers better understand and feel the plot and characters in the novel, and also enhance the creativity and imagination of the novel.