The classical sentiment refers to a kind of love and admiration for classical culture, history, and literature. It is usually expressed in the yearning and recollection of ancient culture and society, as well as respect and cherish of traditional culture. In online novels, classical sentiments often appeared. It referred to the use of classical literature, historical events, and traditional culture to express the author's admiration and love for classical culture. This kind of expression often appeared in fantasy, martial arts, romance, and other types of novels. By integrating classical cultural elements into the novel, it created a unique literary atmosphere. The classical sentiment was a unique literary expression. By integrating the elements of classical culture into the online novel, it expressed the author's love and admiration for classical culture, bringing a unique reading experience to the readers.