This novel accommodates a vast historical space in a limited space and condenses rich human stories. The historical process of the forty years of reform and opening up, through the small days of the Xiu and Zhang family, flashes back one by one, which is real and touching. The novel's text is concise, the plot is neat, not sloppy, and there is no red tape. It is deeply inspiring and at the same time gives people the enjoyment of literary reading.