Abstract:In the late Qing Dynasty,Xu Nianci,a famous novelist,wrote a novel Sunday.Due to various reasons,the novel has not aroused the attention of academia.In fact,in terms of literary value,the novel is the first novel of the original diary form,and therefore it has created the value in the stylistics;it is the first original science fiction.It not only has a certain understanding of the value,but has to open up the value in the history of the development of modern science literature.