Sa Dingding is famous for his unique musical style and talent, not for Cai Jun's "Tianji" series of novels. However, there is indeed a character named Sa Dingding in Cai Jun's novel "Tianji", which makes many people mistakenly believe that Sa Dingding became popular because of the novel.

According to Cai Jun himself, he and Sa Dingding were friends who had known each other many years ago, and when he was conceiving the "Tianji" series of novels, Sa Dingding once told him some things that happened to him. Strange stories about him. These stories and Sa Dingding's own temperament and spirit fit well with the story atmosphere of "Tianji", so he included her in the novel using her original name. In addition, the song "All Things Are Born" written by Sa Dingding was also excerpted on the homepage of the novel, which further deepened people's impression of the connection between Sa Dingding and the "Tianji" series.