The plot of the protagonist in Chen Dong's novel,"Covering the Sky", trying to prolong his life can be evaluated from different angles. From the point of view of the story, the plot of the protagonist's life extension was an important turning point in the development of the novel. It marked that the protagonist began to realize the value of life and the importance of prolonging life. This plot also showed the protagonist's tenacity and indomitable spirit in adversity, as well as his care and love for himself, his family, and his friends. Therefore, this plot could be seen as a successful turning point in the novel, injecting new momentum into the development of the story. From the perspective of the novel's theme, the theme of Chen Dong's novel "Covering the Sky" involves life, fate, faith and many other aspects. The plot of prolonging life could also be seen as an exploration and response to these aspects. This plot expressed the protagonist's thoughts and exploration of life and fate, and also reflected the author's thoughts and feelings about life and faith. Therefore, this plot can be regarded as a response to an important theme in the novel, promoting the depth and expression of the content of the novel. From the perspective of literary value, Chen Dong's novel "Covering the Sky" was a classic online literary work with high literary value. Although this plot was only a small part of the novel, it showed the author's writing style and literary skills, and also reflected the author's thinking and exploration of life and faith. Therefore, this plot could be regarded as a literary pearl in Chen Dong's novel with important literary value.