Mary Sue was usually a fictional and exaggerated image of a woman whose characteristics included innocence, innocence, weakness, dependence, and luck. This kind of image often appeared in novels, anime, television dramas, and other works. When writing a novel, if you don't want your novel to be a Mary Sue novel, you should pay attention to avoid exaggerating the characteristics of the female image and avoid creating overly dependent or extremely lucky characters. At the same time, he had to be careful not to use words similar to Mary Sue to avoid misunderstanding the readers. The readers 'evaluation of the novel is subjective. They may evaluate the novel according to their own preferences and aesthetic standards. Therefore, even the same book may have different evaluations among different readers. The most important thing was that writing was a kind of artistic creation. He should constantly learn and improve his writing ability to avoid making mistakes like Mary Sue's.