In novels, dual cultivation usually referred to a cultivation method that involved cultivating two different types of skills or techniques at the same time. This kind of cultivation method usually appeared in some martial arts novels or fantasy novels, indicating that the protagonist could achieve a higher level of cultivation effect by cultivating two skills or techniques at the same time. To be specific, dual cultivation usually referred to the practice of martial arts and internal energy. In the novels, the protagonists would usually find some mysterious cultivation places or meet some mysterious cultivation teachers to improve their cultivation by practicing martial arts and internal energy. Dual cultivation meant that the protagonist practiced both martial arts and internal energy at the same time to improve his cultivation and strength through continuous practice and practice. It should be noted that the double cultivation in the novel was a fictional cultivation method. The specific meaning and effect might vary according to the plot of the novel and the author's setting.