The author combines real life with college memories to repeatedly compare the plots of Zhao Tianyu, the protagonist born in the 1980s, when he first entered campus and entered the workplace, adapted to campus life and resented workplace life, classmates' affection and colleagues' utilitarianism, nostalgia for campus life and escaping from work, etc., Highlighting the simple beauty of campus and the smoothness and cruelty of the workplace, expressing the common nostalgia of the contemporary post-80s generation and their confusion and confusion about the future.