There were many ways to recover memories in Hua Qiangu's novel, but it was not easy to find out which method was suitable for Hua Qiangu. In the plot of the novel, Hua Qiangu had once discovered that he could recall some of the things that had happened in the past through his conversation with Bai Zihua. At the same time, he could also recover his memories through dreams. However, recovering his memory was not an easy task. It required a lot of effort and time from Hua Qiangu.