The novel, White Night Walk, was a very famous mystery novel and was regarded as one of the representative works of Keigo Higashino. The novel narrates the love-hate entanglement between two children and a series of bizarre murders through an intricate double narrative structure. After reading the novel, Bai Yexing, my personal feelings are very shocking and complicated. In the novel, the author used delicate emotional descriptions and ingenious reasoning techniques to integrate a series of murder cases with the emotional entanglement between the two children, making people think deeply. The plot of the novel was very compact. As the story progressed, the readers kept guessing the identity and motive of the murderer. At the same time, they also felt the author's deep literary foundation and superb writing skills. In general, the novel Bai Yexing was an excellent mystery novel. Not only did it allow the readers to enjoy the fun of reasoning, but it also allowed the author to have a deep insight into human nature and emotions.